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Finding the Fourth Proportional to 7,574.48, 11,332.44 and 7,554.96

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Solution

The fourth proportional to 7,574.48, 11,332.44 and 7,554.96 is: 11,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.48 : 11,332.44 = 7,554.96 : x
  2. Step 2: Convert to fraction form
    7,574.48/11,332.44 = 7,554.96/x
  3. Step 3: Cross multiply
    7,574.48x = 11,332.44 × 7,554.96
  4. Step 4: Simplify right side
    7,574.48x = 85,616,130.90
  5. Step 5: Solve for x
    x = 85,616,130.90/7,574.48
  6. Step 6: Final answer
    x = 11,303.24

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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.