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Finding the Fourth Proportional to 17,670.16, 24,382.92 and 10,218.16

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Solution

The fourth proportional to 17,670.16, 24,382.92 and 10,218.16 is: 14,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.16 : 24,382.92 = 10,218.16 : x
  2. Step 2: Convert to fraction form
    17,670.16/24,382.92 = 10,218.16/x
  3. Step 3: Cross multiply
    17,670.16x = 24,382.92 × 10,218.16
  4. Step 4: Simplify right side
    17,670.16x = 249,148,577.83
  5. Step 5: Solve for x
    x = 249,148,577.83/17,670.16
  6. Step 6: Final answer
    x = 14,099.96

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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.