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Finding the Fourth Proportional to 40,708.88, 61,045.56 and 14,404.88

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Solution

The fourth proportional to 40,708.88, 61,045.56 and 14,404.88 is: 21,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.88 : 61,045.56 = 14,404.88 : x
  2. Step 2: Convert to fraction form
    40,708.88/61,045.56 = 14,404.88/x
  3. Step 3: Cross multiply
    40,708.88x = 61,045.56 × 14,404.88
  4. Step 4: Simplify right side
    40,708.88x = 879,353,966.33
  5. Step 5: Solve for x
    x = 879,353,966.33/40,708.88
  6. Step 6: Final answer
    x = 21,601.04

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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.