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Finding the Fourth Proportional to 7,753.82, 10,702.16 and 4,398.59

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Solution

The fourth proportional to 7,753.82, 10,702.16 and 4,398.59 is: 6,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.82 : 10,702.16 = 4,398.59 : x
  2. Step 2: Convert to fraction form
    7,753.82/10,702.16 = 4,398.59/x
  3. Step 3: Cross multiply
    7,753.82x = 10,702.16 × 4,398.59
  4. Step 4: Simplify right side
    7,753.82x = 47,074,435.21
  5. Step 5: Solve for x
    x = 47,074,435.21/7,753.82
  6. Step 6: Final answer
    x = 6,071.13

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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.