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Finding the Fourth Proportional to 59,603.67, 89,349.90 and 20,133.18

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Solution

The fourth proportional to 59,603.67, 89,349.90 and 20,133.18 is: 30,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,603.67 : 89,349.90 = 20,133.18 : x
  2. Step 2: Convert to fraction form
    59,603.67/89,349.90 = 20,133.18/x
  3. Step 3: Cross multiply
    59,603.67x = 89,349.90 × 20,133.18
  4. Step 4: Simplify right side
    59,603.67x = 1,798,897,619.68
  5. Step 5: Solve for x
    x = 1,798,897,619.68/59,603.67
  6. Step 6: Final answer
    x = 30,180.99

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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.