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Finding the Fourth Proportional to 61,432.16, 92,128.62 and 23,983.16

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Solution

The fourth proportional to 61,432.16, 92,128.62 and 23,983.16 is: 35,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,432.16 : 92,128.62 = 23,983.16 : x
  2. Step 2: Convert to fraction form
    61,432.16/92,128.62 = 23,983.16/x
  3. Step 3: Cross multiply
    61,432.16x = 92,128.62 × 23,983.16
  4. Step 4: Simplify right side
    61,432.16x = 2,209,535,434.04
  5. Step 5: Solve for x
    x = 2,209,535,434.04/61,432.16
  6. Step 6: Final answer
    x = 35,967.08

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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.