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Finding the Fourth Proportional to 67,353.16, 92,948 and 37,139.68

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Solution

The fourth proportional to 67,353.16, 92,948 and 37,139.68 is: 51,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.16 : 92,948 = 37,139.68 : x
  2. Step 2: Convert to fraction form
    67,353.16/92,948 = 37,139.68/x
  3. Step 3: Cross multiply
    67,353.16x = 92,948 × 37,139.68
  4. Step 4: Simplify right side
    67,353.16x = 3,452,058,976.64
  5. Step 5: Solve for x
    x = 3,452,058,976.64/67,353.16
  6. Step 6: Final answer
    x = 51,253.11

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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.