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Finding the Fourth Proportional to 59,486.84, 89,111.28 and 35,781.30

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Solution

The fourth proportional to 59,486.84, 89,111.28 and 35,781.30 is: 53,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.84 : 89,111.28 = 35,781.30 : x
  2. Step 2: Convert to fraction form
    59,486.84/89,111.28 = 35,781.30/x
  3. Step 3: Cross multiply
    59,486.84x = 89,111.28 × 35,781.30
  4. Step 4: Simplify right side
    59,486.84x = 3,188,517,443.06
  5. Step 5: Solve for x
    x = 3,188,517,443.06/59,486.84
  6. Step 6: Final answer
    x = 53,600.39

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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.