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Finding the Fourth Proportional to 64,292.38, 88,702.84 and 41,648.72

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Solution

The fourth proportional to 64,292.38, 88,702.84 and 41,648.72 is: 57,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,292.38 : 88,702.84 = 41,648.72 : x
  2. Step 2: Convert to fraction form
    64,292.38/88,702.84 = 41,648.72/x
  3. Step 3: Cross multiply
    64,292.38x = 88,702.84 × 41,648.72
  4. Step 4: Simplify right side
    64,292.38x = 3,694,359,746.36
  5. Step 5: Solve for x
    x = 3,694,359,746.36/64,292.38
  6. Step 6: Final answer
    x = 57,461.86

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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.