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Finding the Fourth Proportional to 61,427.16, 92,121.12 and 23,978.16

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Solution

The fourth proportional to 61,427.16, 92,121.12 and 23,978.16 is: 35,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,427.16 : 92,121.12 = 23,978.16 : x
  2. Step 2: Convert to fraction form
    61,427.16/92,121.12 = 23,978.16/x
  3. Step 3: Cross multiply
    61,427.16x = 92,121.12 × 23,978.16
  4. Step 4: Simplify right side
    61,427.16x = 2,208,894,954.74
  5. Step 5: Solve for x
    x = 2,208,894,954.74/61,427.16
  6. Step 6: Final answer
    x = 35,959.58

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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.