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Finding the Fourth Proportional to 72,937.90, 109,406.87 and 23,021.89

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Solution

The fourth proportional to 72,937.90, 109,406.87 and 23,021.89 is: 34,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,937.90 : 109,406.87 = 23,021.89 : x
  2. Step 2: Convert to fraction form
    72,937.90/109,406.87 = 23,021.89/x
  3. Step 3: Cross multiply
    72,937.90x = 109,406.87 × 23,021.89
  4. Step 4: Simplify right side
    72,937.90x = 2,518,752,926.38
  5. Step 5: Solve for x
    x = 2,518,752,926.38/72,937.90
  6. Step 6: Final answer
    x = 34,532.84

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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.