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Finding the Fourth Proportional to 58,777.20, 88,169.13 and 18,799.69

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Solution

The fourth proportional to 58,777.20, 88,169.13 and 18,799.69 is: 28,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.20 : 88,169.13 = 18,799.69 : x
  2. Step 2: Convert to fraction form
    58,777.20/88,169.13 = 18,799.69/x
  3. Step 3: Cross multiply
    58,777.20x = 88,169.13 × 18,799.69
  4. Step 4: Simplify right side
    58,777.20x = 1,657,552,351.28
  5. Step 5: Solve for x
    x = 1,657,552,351.28/58,777.20
  6. Step 6: Final answer
    x = 28,200.60

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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.