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Finding the Fourth Proportional to 59,745.72, 89,618.58 and 55,808.76

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Solution

The fourth proportional to 59,745.72, 89,618.58 and 55,808.76 is: 83,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,745.72 : 89,618.58 = 55,808.76 : x
  2. Step 2: Convert to fraction form
    59,745.72/89,618.58 = 55,808.76/x
  3. Step 3: Cross multiply
    59,745.72x = 89,618.58 × 55,808.76
  4. Step 4: Simplify right side
    59,745.72x = 5,001,501,822.76
  5. Step 5: Solve for x
    x = 5,001,501,822.76/59,745.72
  6. Step 6: Final answer
    x = 83,713.14

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Similar ratio
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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.