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Finding the Fourth Proportional to 15,875.52, 23,818.08 and 5,488.32

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Solution

The fourth proportional to 15,875.52, 23,818.08 and 5,488.32 is: 8,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.52 : 23,818.08 = 5,488.32 : x
  2. Step 2: Convert to fraction form
    15,875.52/23,818.08 = 5,488.32/x
  3. Step 3: Cross multiply
    15,875.52x = 23,818.08 × 5,488.32
  4. Step 4: Simplify right side
    15,875.52x = 130,721,244.83
  5. Step 5: Solve for x
    x = 130,721,244.83/15,875.52
  6. Step 6: Final answer
    x = 8,234.14

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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.