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Finding the Fourth Proportional to 67,307.87, 92,885.22 and 38,625.25

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Solution

The fourth proportional to 67,307.87, 92,885.22 and 38,625.25 is: 53,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.87 : 92,885.22 = 38,625.25 : x
  2. Step 2: Convert to fraction form
    67,307.87/92,885.22 = 38,625.25/x
  3. Step 3: Cross multiply
    67,307.87x = 92,885.22 × 38,625.25
  4. Step 4: Simplify right side
    67,307.87x = 3,587,714,379.38
  5. Step 5: Solve for x
    x = 3,587,714,379.38/67,307.87
  6. Step 6: Final answer
    x = 53,303.05

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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.