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Finding the Fourth Proportional to 58,468.80, 87,703.20 and 33,499.20

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Solution

The fourth proportional to 58,468.80, 87,703.20 and 33,499.20 is: 50,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.80 : 87,703.20 = 33,499.20 : x
  2. Step 2: Convert to fraction form
    58,468.80/87,703.20 = 33,499.20/x
  3. Step 3: Cross multiply
    58,468.80x = 87,703.20 × 33,499.20
  4. Step 4: Simplify right side
    58,468.80x = 2,937,987,037.44
  5. Step 5: Solve for x
    x = 2,937,987,037.44/58,468.80
  6. Step 6: Final answer
    x = 50,248.80

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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.