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Finding the Fourth Proportional to 25,547.70, 35,246.04 and 18,849.31

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Solution

The fourth proportional to 25,547.70, 35,246.04 and 18,849.31 is: 26,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.70 : 35,246.04 = 18,849.31 : x
  2. Step 2: Convert to fraction form
    25,547.70/35,246.04 = 18,849.31/x
  3. Step 3: Cross multiply
    25,547.70x = 35,246.04 × 18,849.31
  4. Step 4: Simplify right side
    25,547.70x = 664,363,375.43
  5. Step 5: Solve for x
    x = 664,363,375.43/25,547.70
  6. Step 6: Final answer
    x = 26,004.82

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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.