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Finding the Fourth Proportional to 65,753.84, 98,655.59 and 39,476.90

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Solution

The fourth proportional to 65,753.84, 98,655.59 and 39,476.90 is: 59,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,753.84 : 98,655.59 = 39,476.90 : x
  2. Step 2: Convert to fraction form
    65,753.84/98,655.59 = 39,476.90/x
  3. Step 3: Cross multiply
    65,753.84x = 98,655.59 × 39,476.90
  4. Step 4: Simplify right side
    65,753.84x = 3,894,616,860.87
  5. Step 5: Solve for x
    x = 3,894,616,860.87/65,753.84
  6. Step 6: Final answer
    x = 59,230.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.