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Finding the Fourth Proportional to 17,699.67, 24,430.35 and 10,438.11

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Solution

The fourth proportional to 17,699.67, 24,430.35 and 10,438.11 is: 14,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.67 : 24,430.35 = 10,438.11 : x
  2. Step 2: Convert to fraction form
    17,699.67/24,430.35 = 10,438.11/x
  3. Step 3: Cross multiply
    17,699.67x = 24,430.35 × 10,438.11
  4. Step 4: Simplify right side
    17,699.67x = 255,006,680.64
  5. Step 5: Solve for x
    x = 255,006,680.64/17,699.67
  6. Step 6: Final answer
    x = 14,407.43

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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.