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Finding the Fourth Proportional to 47,590.12, 71,800.72 and 47,458.90

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Solution

The fourth proportional to 47,590.12, 71,800.72 and 47,458.90 is: 71,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.12 : 71,800.72 = 47,458.90 : x
  2. Step 2: Convert to fraction form
    47,590.12/71,800.72 = 47,458.90/x
  3. Step 3: Cross multiply
    47,590.12x = 71,800.72 × 47,458.90
  4. Step 4: Simplify right side
    47,590.12x = 3,407,583,190.41
  5. Step 5: Solve for x
    x = 3,407,583,190.41/47,590.12
  6. Step 6: Final answer
    x = 71,602.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.