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Finding the Fourth Proportional to 58,743.40, 88,115.10 and 33,860.20

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Solution

The fourth proportional to 58,743.40, 88,115.10 and 33,860.20 is: 50,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.40 : 88,115.10 = 33,860.20 : x
  2. Step 2: Convert to fraction form
    58,743.40/88,115.10 = 33,860.20/x
  3. Step 3: Cross multiply
    58,743.40x = 88,115.10 × 33,860.20
  4. Step 4: Simplify right side
    58,743.40x = 2,983,594,909.02
  5. Step 5: Solve for x
    x = 2,983,594,909.02/58,743.40
  6. Step 6: Final answer
    x = 50,790.30

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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.