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Finding the Fourth Proportional to 30,873.52, 46,304.02 and 8,687.92

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Solution

The fourth proportional to 30,873.52, 46,304.02 and 8,687.92 is: 13,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.52 : 46,304.02 = 8,687.92 : x
  2. Step 2: Convert to fraction form
    30,873.52/46,304.02 = 8,687.92/x
  3. Step 3: Cross multiply
    30,873.52x = 46,304.02 × 8,687.92
  4. Step 4: Simplify right side
    30,873.52x = 402,285,621.44
  5. Step 5: Solve for x
    x = 402,285,621.44/30,873.52
  6. Step 6: Final answer
    x = 13,030.12

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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.