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Finding the Fourth Proportional to 18,465.48, 25,482.48 and 10,081.92

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Solution

The fourth proportional to 18,465.48, 25,482.48 and 10,081.92 is: 13,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.48 : 25,482.48 = 10,081.92 : x
  2. Step 2: Convert to fraction form
    18,465.48/25,482.48 = 10,081.92/x
  3. Step 3: Cross multiply
    18,465.48x = 25,482.48 × 10,081.92
  4. Step 4: Simplify right side
    18,465.48x = 256,912,324.76
  5. Step 5: Solve for x
    x = 256,912,324.76/18,465.48
  6. Step 6: Final answer
    x = 13,913.11

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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.