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Finding the Fourth Proportional to 25,342.26, 38,020 and 9,547.46

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Solution

The fourth proportional to 25,342.26, 38,020 and 9,547.46 is: 14,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.26 : 38,020 = 9,547.46 : x
  2. Step 2: Convert to fraction form
    25,342.26/38,020 = 9,547.46/x
  3. Step 3: Cross multiply
    25,342.26x = 38,020 × 9,547.46
  4. Step 4: Simplify right side
    25,342.26x = 362,994,429.20
  5. Step 5: Solve for x
    x = 362,994,429.20/25,342.26
  6. Step 6: Final answer
    x = 14,323.68

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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.