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Finding the Fourth Proportional to 8,071.80, 12,060.78 and 5,840.04

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Solution

The fourth proportional to 8,071.80, 12,060.78 and 5,840.04 is: 8,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.80 : 12,060.78 = 5,840.04 : x
  2. Step 2: Convert to fraction form
    8,071.80/12,060.78 = 5,840.04/x
  3. Step 3: Cross multiply
    8,071.80x = 12,060.78 × 5,840.04
  4. Step 4: Simplify right side
    8,071.80x = 70,435,437.63
  5. Step 5: Solve for x
    x = 70,435,437.63/8,071.80
  6. Step 6: Final answer
    x = 8,726.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.