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Finding the Fourth Proportional to 42,352.65, 63,512.84 and 14,265.17

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Solution

The fourth proportional to 42,352.65, 63,512.84 and 14,265.17 is: 21,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.65 : 63,512.84 = 14,265.17 : x
  2. Step 2: Convert to fraction form
    42,352.65/63,512.84 = 14,265.17/x
  3. Step 3: Cross multiply
    42,352.65x = 63,512.84 × 14,265.17
  4. Step 4: Simplify right side
    42,352.65x = 906,021,070.89
  5. Step 5: Solve for x
    x = 906,021,070.89/42,352.65
  6. Step 6: Final answer
    x = 21,392.31

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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.