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Finding the Fourth Proportional to 52,248.16, 72,101.84 and 28,375.20

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Solution

The fourth proportional to 52,248.16, 72,101.84 and 28,375.20 is: 39,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,248.16 : 72,101.84 = 28,375.20 : x
  2. Step 2: Convert to fraction form
    52,248.16/72,101.84 = 28,375.20/x
  3. Step 3: Cross multiply
    52,248.16x = 72,101.84 × 28,375.20
  4. Step 4: Simplify right side
    52,248.16x = 2,045,904,130.37
  5. Step 5: Solve for x
    x = 2,045,904,130.37/52,248.16
  6. Step 6: Final answer
    x = 39,157.44

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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.