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Finding the Fourth Proportional to 8,437.55, 12,656.33 and 4,053.95

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Solution

The fourth proportional to 8,437.55, 12,656.33 and 4,053.95 is: 6,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.55 : 12,656.33 = 4,053.95 : x
  2. Step 2: Convert to fraction form
    8,437.55/12,656.33 = 4,053.95/x
  3. Step 3: Cross multiply
    8,437.55x = 12,656.33 × 4,053.95
  4. Step 4: Simplify right side
    8,437.55x = 51,308,108.73
  5. Step 5: Solve for x
    x = 51,308,108.73/8,437.55
  6. Step 6: Final answer
    x = 6,080.93

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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.