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Finding the Fourth Proportional to 30,349.92, 45,531.65 and 9,292.91

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Solution

The fourth proportional to 30,349.92, 45,531.65 and 9,292.91 is: 13,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.92 : 45,531.65 = 9,292.91 : x
  2. Step 2: Convert to fraction form
    30,349.92/45,531.65 = 9,292.91/x
  3. Step 3: Cross multiply
    30,349.92x = 45,531.65 × 9,292.91
  4. Step 4: Simplify right side
    30,349.92x = 423,121,592.97
  5. Step 5: Solve for x
    x = 423,121,592.97/30,349.92
  6. Step 6: Final answer
    x = 13,941.44

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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.