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Finding the Fourth Proportional to 75,005.60, 112,530.96 and 22,416.80

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Solution

The fourth proportional to 75,005.60, 112,530.96 and 22,416.80 is: 33,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005.60 : 112,530.96 = 22,416.80 : x
  2. Step 2: Convert to fraction form
    75,005.60/112,530.96 = 22,416.80/x
  3. Step 3: Cross multiply
    75,005.60x = 112,530.96 × 22,416.80
  4. Step 4: Simplify right side
    75,005.60x = 2,522,584,024.13
  5. Step 5: Solve for x
    x = 2,522,584,024.13/75,005.60
  6. Step 6: Final answer
    x = 33,631.94

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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.