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Finding the Fourth Proportional to 19,246.70, 28,870.86 and 6,098.78

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Solution

The fourth proportional to 19,246.70, 28,870.86 and 6,098.78 is: 9,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.70 : 28,870.86 = 6,098.78 : x
  2. Step 2: Convert to fraction form
    19,246.70/28,870.86 = 6,098.78/x
  3. Step 3: Cross multiply
    19,246.70x = 28,870.86 × 6,098.78
  4. Step 4: Simplify right side
    19,246.70x = 176,077,023.55
  5. Step 5: Solve for x
    x = 176,077,023.55/19,246.70
  6. Step 6: Final answer
    x = 9,148.43

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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.