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Finding the Fourth Proportional to 67,312.92, 92,892.45 and 37,099.32

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Solution

The fourth proportional to 67,312.92, 92,892.45 and 37,099.32 is: 51,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.92 : 92,892.45 = 37,099.32 : x
  2. Step 2: Convert to fraction form
    67,312.92/92,892.45 = 37,099.32/x
  3. Step 3: Cross multiply
    67,312.92x = 92,892.45 × 37,099.32
  4. Step 4: Simplify right side
    67,312.92x = 3,446,246,728.13
  5. Step 5: Solve for x
    x = 3,446,246,728.13/67,312.92
  6. Step 6: Final answer
    x = 51,197.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.