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Finding the Fourth Proportional to 33,013.98, 45,560.07 and 18,868.14

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Solution

The fourth proportional to 33,013.98, 45,560.07 and 18,868.14 is: 26,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.98 : 45,560.07 = 18,868.14 : x
  2. Step 2: Convert to fraction form
    33,013.98/45,560.07 = 18,868.14/x
  3. Step 3: Cross multiply
    33,013.98x = 45,560.07 × 18,868.14
  4. Step 4: Simplify right side
    33,013.98x = 859,633,779.17
  5. Step 5: Solve for x
    x = 859,633,779.17/33,013.98
  6. Step 6: Final answer
    x = 26,038.48

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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.