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Finding the Fourth Proportional to 37,468.80, 51,706.98 and 20,473.20

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Solution

The fourth proportional to 37,468.80, 51,706.98 and 20,473.20 is: 28,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,468.80 : 51,706.98 = 20,473.20 : x
  2. Step 2: Convert to fraction form
    37,468.80/51,706.98 = 20,473.20/x
  3. Step 3: Cross multiply
    37,468.80x = 51,706.98 × 20,473.20
  4. Step 4: Simplify right side
    37,468.80x = 1,058,607,342.94
  5. Step 5: Solve for x
    x = 1,058,607,342.94/37,468.80
  6. Step 6: Final answer
    x = 28,253.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.