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Finding the Fourth Proportional to 58,274.40, 87,454.80 and 38,546.40

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Solution

The fourth proportional to 58,274.40, 87,454.80 and 38,546.40 is: 57,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,274.40 : 87,454.80 = 38,546.40 : x
  2. Step 2: Convert to fraction form
    58,274.40/87,454.80 = 38,546.40/x
  3. Step 3: Cross multiply
    58,274.40x = 87,454.80 × 38,546.40
  4. Step 4: Simplify right side
    58,274.40x = 3,371,067,702.72
  5. Step 5: Solve for x
    x = 3,371,067,702.72/58,274.40
  6. Step 6: Final answer
    x = 57,848.18

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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.