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Finding the Fourth Proportional to 13,041.77, 17,998.55 and 7,376.55

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Solution

The fourth proportional to 13,041.77, 17,998.55 and 7,376.55 is: 10,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.77 : 17,998.55 = 7,376.55 : x
  2. Step 2: Convert to fraction form
    13,041.77/17,998.55 = 7,376.55/x
  3. Step 3: Cross multiply
    13,041.77x = 17,998.55 × 7,376.55
  4. Step 4: Simplify right side
    13,041.77x = 132,767,204.00
  5. Step 5: Solve for x
    x = 132,767,204.00/13,041.77
  6. Step 6: Final answer
    x = 10,180.15

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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.