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Finding the Fourth Proportional to 89,045.76, 133,547.67 and 25,849.20

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Solution

The fourth proportional to 89,045.76, 133,547.67 and 25,849.20 is: 38,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.76 : 133,547.67 = 25,849.20 : x
  2. Step 2: Convert to fraction form
    89,045.76/133,547.67 = 25,849.20/x
  3. Step 3: Cross multiply
    89,045.76x = 133,547.67 × 25,849.20
  4. Step 4: Simplify right side
    89,045.76x = 3,452,100,431.36
  5. Step 5: Solve for x
    x = 3,452,100,431.36/89,045.76
  6. Step 6: Final answer
    x = 38,767.71

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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.