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Finding the Fourth Proportional to 52,374.60, 78,572.70 and 17,338.86

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Solution

The fourth proportional to 52,374.60, 78,572.70 and 17,338.86 is: 26,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.60 : 78,572.70 = 17,338.86 : x
  2. Step 2: Convert to fraction form
    52,374.60/78,572.70 = 17,338.86/x
  3. Step 3: Cross multiply
    52,374.60x = 78,572.70 × 17,338.86
  4. Step 4: Simplify right side
    52,374.60x = 1,362,361,045.12
  5. Step 5: Solve for x
    x = 1,362,361,045.12/52,374.60
  6. Step 6: Final answer
    x = 26,011.87

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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.