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Finding the Fourth Proportional to 7,710.93, 11,560.19 and 7,276.23

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Solution

The fourth proportional to 7,710.93, 11,560.19 and 7,276.23 is: 10,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.93 : 11,560.19 = 7,276.23 : x
  2. Step 2: Convert to fraction form
    7,710.93/11,560.19 = 7,276.23/x
  3. Step 3: Cross multiply
    7,710.93x = 11,560.19 × 7,276.23
  4. Step 4: Simplify right side
    7,710.93x = 84,114,564.90
  5. Step 5: Solve for x
    x = 84,114,564.90/7,710.93
  6. Step 6: Final answer
    x = 10,908.49

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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.