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Finding the Fourth Proportional to 18,063.48, 27,086.60 and 10,569.16

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Solution

The fourth proportional to 18,063.48, 27,086.60 and 10,569.16 is: 15,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.48 : 27,086.60 = 10,569.16 : x
  2. Step 2: Convert to fraction form
    18,063.48/27,086.60 = 10,569.16/x
  3. Step 3: Cross multiply
    18,063.48x = 27,086.60 × 10,569.16
  4. Step 4: Simplify right side
    18,063.48x = 286,282,609.26
  5. Step 5: Solve for x
    x = 286,282,609.26/18,063.48
  6. Step 6: Final answer
    x = 15,848.70

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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.