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Finding the Fourth Proportional to 8,702.43, 12,006.50 and 4,925.22

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Solution

The fourth proportional to 8,702.43, 12,006.50 and 4,925.22 is: 6,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.43 : 12,006.50 = 4,925.22 : x
  2. Step 2: Convert to fraction form
    8,702.43/12,006.50 = 4,925.22/x
  3. Step 3: Cross multiply
    8,702.43x = 12,006.50 × 4,925.22
  4. Step 4: Simplify right side
    8,702.43x = 59,134,629.30
  5. Step 5: Solve for x
    x = 59,134,629.30/8,702.43
  6. Step 6: Final answer
    x = 6,795.19

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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.