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Finding the Fourth Proportional to 72,313.75, 108,472.55 and 23,065.75

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Solution

The fourth proportional to 72,313.75, 108,472.55 and 23,065.75 is: 34,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,313.75 : 108,472.55 = 23,065.75 : x
  2. Step 2: Convert to fraction form
    72,313.75/108,472.55 = 23,065.75/x
  3. Step 3: Cross multiply
    72,313.75x = 108,472.55 × 23,065.75
  4. Step 4: Simplify right side
    72,313.75x = 2,502,000,720.16
  5. Step 5: Solve for x
    x = 2,502,000,720.16/72,313.75
  6. Step 6: Final answer
    x = 34,599.24

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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.