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Finding the Fourth Proportional to 62,278.60, 93,417.90 and 61,889.80

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Solution

The fourth proportional to 62,278.60, 93,417.90 and 61,889.80 is: 92,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,278.60 : 93,417.90 = 61,889.80 : x
  2. Step 2: Convert to fraction form
    62,278.60/93,417.90 = 61,889.80/x
  3. Step 3: Cross multiply
    62,278.60x = 93,417.90 × 61,889.80
  4. Step 4: Simplify right side
    62,278.60x = 5,781,615,147.42
  5. Step 5: Solve for x
    x = 5,781,615,147.42/62,278.60
  6. Step 6: Final answer
    x = 92,834.70

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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.