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Finding the Fourth Proportional to 15,908.40, 23,873.40 and 8,888.40

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Solution

The fourth proportional to 15,908.40, 23,873.40 and 8,888.40 is: 13,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.40 : 23,873.40 = 8,888.40 : x
  2. Step 2: Convert to fraction form
    15,908.40/23,873.40 = 8,888.40/x
  3. Step 3: Cross multiply
    15,908.40x = 23,873.40 × 8,888.40
  4. Step 4: Simplify right side
    15,908.40x = 212,196,328.56
  5. Step 5: Solve for x
    x = 212,196,328.56/15,908.40
  6. Step 6: Final answer
    x = 13,338.63

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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.