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Finding the Fourth Proportional to 45,957.90, 68,937.12 and 16,376.88

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Solution

The fourth proportional to 45,957.90, 68,937.12 and 16,376.88 is: 24,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.90 : 68,937.12 = 16,376.88 : x
  2. Step 2: Convert to fraction form
    45,957.90/68,937.12 = 16,376.88/x
  3. Step 3: Cross multiply
    45,957.90x = 68,937.12 × 16,376.88
  4. Step 4: Simplify right side
    45,957.90x = 1,128,974,941.79
  5. Step 5: Solve for x
    x = 1,128,974,941.79/45,957.90
  6. Step 6: Final answer
    x = 24,565.42

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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.