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Finding the Fourth Proportional to 60,630.08, 90,963.12 and 31,068.68

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Solution

The fourth proportional to 60,630.08, 90,963.12 and 31,068.68 is: 46,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.08 : 90,963.12 = 31,068.68 : x
  2. Step 2: Convert to fraction form
    60,630.08/90,963.12 = 31,068.68/x
  3. Step 3: Cross multiply
    60,630.08x = 90,963.12 × 31,068.68
  4. Step 4: Simplify right side
    60,630.08x = 2,826,104,067.08
  5. Step 5: Solve for x
    x = 2,826,104,067.08/60,630.08
  6. Step 6: Final answer
    x = 46,612.24

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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.