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Finding the Fourth Proportional to 25,315.52, 37,976.52 and 9,731.12

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Solution

The fourth proportional to 25,315.52, 37,976.52 and 9,731.12 is: 14,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.52 : 37,976.52 = 9,731.12 : x
  2. Step 2: Convert to fraction form
    25,315.52/37,976.52 = 9,731.12/x
  3. Step 3: Cross multiply
    25,315.52x = 37,976.52 × 9,731.12
  4. Step 4: Simplify right side
    25,315.52x = 369,554,073.30
  5. Step 5: Solve for x
    x = 369,554,073.30/25,315.52
  6. Step 6: Final answer
    x = 14,597.93

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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.