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Finding the Fourth Proportional to 45,659, 68,488.52 and 14,494.25

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Solution

The fourth proportional to 45,659, 68,488.52 and 14,494.25 is: 21,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659 : 68,488.52 = 14,494.25 : x
  2. Step 2: Convert to fraction form
    45,659/68,488.52 = 14,494.25/x
  3. Step 3: Cross multiply
    45,659x = 68,488.52 × 14,494.25
  4. Step 4: Simplify right side
    45,659x = 992,689,731.01
  5. Step 5: Solve for x
    x = 992,689,731.01/45,659
  6. Step 6: Final answer
    x = 21,741.38

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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.