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Finding the Fourth Proportional to 64,886.73, 89,522.72 and 36,201.74

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Solution

The fourth proportional to 64,886.73, 89,522.72 and 36,201.74 is: 49,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.73 : 89,522.72 = 36,201.74 : x
  2. Step 2: Convert to fraction form
    64,886.73/89,522.72 = 36,201.74/x
  3. Step 3: Cross multiply
    64,886.73x = 89,522.72 × 36,201.74
  4. Step 4: Simplify right side
    64,886.73x = 3,240,878,233.53
  5. Step 5: Solve for x
    x = 3,240,878,233.53/64,886.73
  6. Step 6: Final answer
    x = 49,946.70

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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.