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Finding the Fourth Proportional to 23,215.52, 34,837.92 and 9,888.48

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Solution

The fourth proportional to 23,215.52, 34,837.92 and 9,888.48 is: 14,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.52 : 34,837.92 = 9,888.48 : x
  2. Step 2: Convert to fraction form
    23,215.52/34,837.92 = 9,888.48/x
  3. Step 3: Cross multiply
    23,215.52x = 34,837.92 × 9,888.48
  4. Step 4: Simplify right side
    23,215.52x = 344,494,075.16
  5. Step 5: Solve for x
    x = 344,494,075.16/23,215.52
  6. Step 6: Final answer
    x = 14,838.96

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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.