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Finding the Fourth Proportional to 48,295.96, 72,443.98 and 13,235.88

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Solution

The fourth proportional to 48,295.96, 72,443.98 and 13,235.88 is: 19,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.96 : 72,443.98 = 13,235.88 : x
  2. Step 2: Convert to fraction form
    48,295.96/72,443.98 = 13,235.88/x
  3. Step 3: Cross multiply
    48,295.96x = 72,443.98 × 13,235.88
  4. Step 4: Simplify right side
    48,295.96x = 958,859,826.00
  5. Step 5: Solve for x
    x = 958,859,826.00/48,295.96
  6. Step 6: Final answer
    x = 19,853.83

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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.