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Finding the Fourth Proportional to 29,530.58, 40,750.70 and 16,101.72

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Solution

The fourth proportional to 29,530.58, 40,750.70 and 16,101.72 is: 22,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.58 : 40,750.70 = 16,101.72 : x
  2. Step 2: Convert to fraction form
    29,530.58/40,750.70 = 16,101.72/x
  3. Step 3: Cross multiply
    29,530.58x = 40,750.70 × 16,101.72
  4. Step 4: Simplify right side
    29,530.58x = 656,156,280.70
  5. Step 5: Solve for x
    x = 656,156,280.70/29,530.58
  6. Step 6: Final answer
    x = 22,219.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.