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Finding the Fourth Proportional to 7,683.52, 10,604.62 and 7,332.90

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Solution

The fourth proportional to 7,683.52, 10,604.62 and 7,332.90 is: 10,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.52 : 10,604.62 = 7,332.90 : x
  2. Step 2: Convert to fraction form
    7,683.52/10,604.62 = 7,332.90/x
  3. Step 3: Cross multiply
    7,683.52x = 10,604.62 × 7,332.90
  4. Step 4: Simplify right side
    7,683.52x = 77,762,618.00
  5. Step 5: Solve for x
    x = 77,762,618.00/7,683.52
  6. Step 6: Final answer
    x = 10,120.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.