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Finding the Fourth Proportional to 40,706.88, 61,042.56 and 14,402.88

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Solution

The fourth proportional to 40,706.88, 61,042.56 and 14,402.88 is: 21,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706.88 : 61,042.56 = 14,402.88 : x
  2. Step 2: Convert to fraction form
    40,706.88/61,042.56 = 14,402.88/x
  3. Step 3: Cross multiply
    40,706.88x = 61,042.56 × 14,402.88
  4. Step 4: Simplify right side
    40,706.88x = 879,188,666.57
  5. Step 5: Solve for x
    x = 879,188,666.57/40,706.88
  6. Step 6: Final answer
    x = 21,598.04

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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.