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Finding the Fourth Proportional to 60,003.40, 89,897.10 and 28,769.80

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Solution

The fourth proportional to 60,003.40, 89,897.10 and 28,769.80 is: 43,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.40 : 89,897.10 = 28,769.80 : x
  2. Step 2: Convert to fraction form
    60,003.40/89,897.10 = 28,769.80/x
  3. Step 3: Cross multiply
    60,003.40x = 89,897.10 × 28,769.80
  4. Step 4: Simplify right side
    60,003.40x = 2,586,321,587.58
  5. Step 5: Solve for x
    x = 2,586,321,587.58/60,003.40
  6. Step 6: Final answer
    x = 43,102.92

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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.