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Finding the Fourth Proportional to 47,758.88, 71,638.32 and 14,926.88

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Solution

The fourth proportional to 47,758.88, 71,638.32 and 14,926.88 is: 22,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.88 : 71,638.32 = 14,926.88 : x
  2. Step 2: Convert to fraction form
    47,758.88/71,638.32 = 14,926.88/x
  3. Step 3: Cross multiply
    47,758.88x = 71,638.32 × 14,926.88
  4. Step 4: Simplify right side
    47,758.88x = 1,069,336,606.04
  5. Step 5: Solve for x
    x = 1,069,336,606.04/47,758.88
  6. Step 6: Final answer
    x = 22,390.32

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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.