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Finding the Fourth Proportional to 17,539.92, 26,270.19 and 12,298.19

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Solution

The fourth proportional to 17,539.92, 26,270.19 and 12,298.19 is: 18,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,539.92 : 26,270.19 = 12,298.19 : x
  2. Step 2: Convert to fraction form
    17,539.92/26,270.19 = 12,298.19/x
  3. Step 3: Cross multiply
    17,539.92x = 26,270.19 × 12,298.19
  4. Step 4: Simplify right side
    17,539.92x = 323,075,656.61
  5. Step 5: Solve for x
    x = 323,075,656.61/17,539.92
  6. Step 6: Final answer
    x = 18,419.45

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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.