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Finding the Fourth Proportional to 61,143.54, 91,699.92 and 23,690.76

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Solution

The fourth proportional to 61,143.54, 91,699.92 and 23,690.76 is: 35,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,143.54 : 91,699.92 = 23,690.76 : x
  2. Step 2: Convert to fraction form
    61,143.54/91,699.92 = 23,690.76/x
  3. Step 3: Cross multiply
    61,143.54x = 91,699.92 × 23,690.76
  4. Step 4: Simplify right side
    61,143.54x = 2,172,440,796.74
  5. Step 5: Solve for x
    x = 2,172,440,796.74/61,143.54
  6. Step 6: Final answer
    x = 35,530.18

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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.