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Finding the Fourth Proportional to 68,454.38, 94,467.04 and 38,646.38

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Solution

The fourth proportional to 68,454.38, 94,467.04 and 38,646.38 is: 53,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.38 : 94,467.04 = 38,646.38 : x
  2. Step 2: Convert to fraction form
    68,454.38/94,467.04 = 38,646.38/x
  3. Step 3: Cross multiply
    68,454.38x = 94,467.04 × 38,646.38
  4. Step 4: Simplify right side
    68,454.38x = 3,650,808,652.98
  5. Step 5: Solve for x
    x = 3,650,808,652.98/68,454.38
  6. Step 6: Final answer
    x = 53,332.00

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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.