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Finding the Fourth Proportional to 23,603.64, 32,502.76 and 23,079.76

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Solution

The fourth proportional to 23,603.64, 32,502.76 and 23,079.76 is: 31,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.64 : 32,502.76 = 23,079.76 : x
  2. Step 2: Convert to fraction form
    23,603.64/32,502.76 = 23,079.76/x
  3. Step 3: Cross multiply
    23,603.64x = 32,502.76 × 23,079.76
  4. Step 4: Simplify right side
    23,603.64x = 750,155,900.14
  5. Step 5: Solve for x
    x = 750,155,900.14/23,603.64
  6. Step 6: Final answer
    x = 31,781.37

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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.