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Finding the Fourth Proportional to 25,699.22, 38,547.44 and 8,167.68

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Solution

The fourth proportional to 25,699.22, 38,547.44 and 8,167.68 is: 12,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.22 : 38,547.44 = 8,167.68 : x
  2. Step 2: Convert to fraction form
    25,699.22/38,547.44 = 8,167.68/x
  3. Step 3: Cross multiply
    25,699.22x = 38,547.44 × 8,167.68
  4. Step 4: Simplify right side
    25,699.22x = 314,843,154.74
  5. Step 5: Solve for x
    x = 314,843,154.74/25,699.22
  6. Step 6: Final answer
    x = 12,251.08

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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.