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Finding the Fourth Proportional to 32,700.67, 45,140.64 and 22,104.66

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Solution

The fourth proportional to 32,700.67, 45,140.64 and 22,104.66 is: 30,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.67 : 45,140.64 = 22,104.66 : x
  2. Step 2: Convert to fraction form
    32,700.67/45,140.64 = 22,104.66/x
  3. Step 3: Cross multiply
    32,700.67x = 45,140.64 × 22,104.66
  4. Step 4: Simplify right side
    32,700.67x = 997,818,499.38
  5. Step 5: Solve for x
    x = 997,818,499.38/32,700.67
  6. Step 6: Final answer
    x = 30,513.70

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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.