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Finding the Fourth Proportional to 10,332.92, 15,499.71 and 4,922.13

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Solution

The fourth proportional to 10,332.92, 15,499.71 and 4,922.13 is: 7,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.92 : 15,499.71 = 4,922.13 : x
  2. Step 2: Convert to fraction form
    10,332.92/15,499.71 = 4,922.13/x
  3. Step 3: Cross multiply
    10,332.92x = 15,499.71 × 4,922.13
  4. Step 4: Simplify right side
    10,332.92x = 76,291,575.28
  5. Step 5: Solve for x
    x = 76,291,575.28/10,332.92
  6. Step 6: Final answer
    x = 7,383.35

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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.