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Finding the Fourth Proportional to 59,658.48, 89,466.84 and 20,203.92

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Solution

The fourth proportional to 59,658.48, 89,466.84 and 20,203.92 is: 30,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,658.48 : 89,466.84 = 20,203.92 : x
  2. Step 2: Convert to fraction form
    59,658.48/89,466.84 = 20,203.92/x
  3. Step 3: Cross multiply
    59,658.48x = 89,466.84 × 20,203.92
  4. Step 4: Simplify right side
    59,658.48x = 1,807,580,878.01
  5. Step 5: Solve for x
    x = 1,807,580,878.01/59,658.48
  6. Step 6: Final answer
    x = 30,298.81

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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.