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Finding the Fourth Proportional to 17,420.70, 24,041.25 and 9,867.39

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Solution

The fourth proportional to 17,420.70, 24,041.25 and 9,867.39 is: 13,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.70 : 24,041.25 = 9,867.39 : x
  2. Step 2: Convert to fraction form
    17,420.70/24,041.25 = 9,867.39/x
  3. Step 3: Cross multiply
    17,420.70x = 24,041.25 × 9,867.39
  4. Step 4: Simplify right side
    17,420.70x = 237,224,389.84
  5. Step 5: Solve for x
    x = 237,224,389.84/17,420.70
  6. Step 6: Final answer
    x = 13,617.39

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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.