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Finding the Fourth Proportional to 7,572.48, 11,329.44 and 7,552.96

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Solution

The fourth proportional to 7,572.48, 11,329.44 and 7,552.96 is: 11,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.48 : 11,329.44 = 7,552.96 : x
  2. Step 2: Convert to fraction form
    7,572.48/11,329.44 = 7,552.96/x
  3. Step 3: Cross multiply
    7,572.48x = 11,329.44 × 7,552.96
  4. Step 4: Simplify right side
    7,572.48x = 85,570,807.14
  5. Step 5: Solve for x
    x = 85,570,807.14/7,572.48
  6. Step 6: Final answer
    x = 11,300.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.