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Finding the Fourth Proportional to 45,595.62, 62,920.31 and 28,609.02

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Solution

The fourth proportional to 45,595.62, 62,920.31 and 28,609.02 is: 39,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,595.62 : 62,920.31 = 28,609.02 : x
  2. Step 2: Convert to fraction form
    45,595.62/62,920.31 = 28,609.02/x
  3. Step 3: Cross multiply
    45,595.62x = 62,920.31 × 28,609.02
  4. Step 4: Simplify right side
    45,595.62x = 1,800,088,264.15
  5. Step 5: Solve for x
    x = 1,800,088,264.15/45,595.62
  6. Step 6: Final answer
    x = 39,479.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.