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Finding the Fourth Proportional to 52,414.80, 78,618.60 and 16,875.60

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Solution

The fourth proportional to 52,414.80, 78,618.60 and 16,875.60 is: 25,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.80 : 78,618.60 = 16,875.60 : x
  2. Step 2: Convert to fraction form
    52,414.80/78,618.60 = 16,875.60/x
  3. Step 3: Cross multiply
    52,414.80x = 78,618.60 × 16,875.60
  4. Step 4: Simplify right side
    52,414.80x = 1,326,736,046.16
  5. Step 5: Solve for x
    x = 1,326,736,046.16/52,414.80
  6. Step 6: Final answer
    x = 25,312.24

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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.