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Finding the Fourth Proportional to 69,618.59, 96,073.74 and 37,787.50

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Solution

The fourth proportional to 69,618.59, 96,073.74 and 37,787.50 is: 52,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.59 : 96,073.74 = 37,787.50 : x
  2. Step 2: Convert to fraction form
    69,618.59/96,073.74 = 37,787.50/x
  3. Step 3: Cross multiply
    69,618.59x = 96,073.74 × 37,787.50
  4. Step 4: Simplify right side
    69,618.59x = 3,630,386,450.25
  5. Step 5: Solve for x
    x = 3,630,386,450.25/69,618.59
  6. Step 6: Final answer
    x = 52,146.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.