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Finding the Fourth Proportional to 51,342.92, 77,038.86 and 27,968.84

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Solution

The fourth proportional to 51,342.92, 77,038.86 and 27,968.84 is: 41,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.92 : 77,038.86 = 27,968.84 : x
  2. Step 2: Convert to fraction form
    51,342.92/77,038.86 = 27,968.84/x
  3. Step 3: Cross multiply
    51,342.92x = 77,038.86 × 27,968.84
  4. Step 4: Simplify right side
    51,342.92x = 2,154,687,549.12
  5. Step 5: Solve for x
    x = 2,154,687,549.12/51,342.92
  6. Step 6: Final answer
    x = 41,966.60

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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.