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Finding the Fourth Proportional to 34,355.60, 51,432.60 and 25,629.20

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Solution

The fourth proportional to 34,355.60, 51,432.60 and 25,629.20 is: 38,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,355.60 : 51,432.60 = 25,629.20 : x
  2. Step 2: Convert to fraction form
    34,355.60/51,432.60 = 25,629.20/x
  3. Step 3: Cross multiply
    34,355.60x = 51,432.60 × 25,629.20
  4. Step 4: Simplify right side
    34,355.60x = 1,318,176,391.92
  5. Step 5: Solve for x
    x = 1,318,176,391.92/34,355.60
  6. Step 6: Final answer
    x = 38,368.60

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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.