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Finding the Fourth Proportional to 52,374.30, 72,276.40 and 28,500.86

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Solution

The fourth proportional to 52,374.30, 72,276.40 and 28,500.86 is: 39,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.30 : 72,276.40 = 28,500.86 : x
  2. Step 2: Convert to fraction form
    52,374.30/72,276.40 = 28,500.86/x
  3. Step 3: Cross multiply
    52,374.30x = 72,276.40 × 28,500.86
  4. Step 4: Simplify right side
    52,374.30x = 2,059,939,774.02
  5. Step 5: Solve for x
    x = 2,059,939,774.02/52,374.30
  6. Step 6: Final answer
    x = 39,331.12

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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.