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Finding the Fourth Proportional to 45,646.88, 68,470.31 and 14,482.13

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Solution

The fourth proportional to 45,646.88, 68,470.31 and 14,482.13 is: 21,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,646.88 : 68,470.31 = 14,482.13 : x
  2. Step 2: Convert to fraction form
    45,646.88/68,470.31 = 14,482.13/x
  3. Step 3: Cross multiply
    45,646.88x = 68,470.31 × 14,482.13
  4. Step 4: Simplify right side
    45,646.88x = 991,595,624.41
  5. Step 5: Solve for x
    x = 991,595,624.41/45,646.88
  6. Step 6: Final answer
    x = 21,723.19

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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.