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Finding the Fourth Proportional to 63,013.93, 86,958.55 and 36,160.67

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Solution

The fourth proportional to 63,013.93, 86,958.55 and 36,160.67 is: 49,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.93 : 86,958.55 = 36,160.67 : x
  2. Step 2: Convert to fraction form
    63,013.93/86,958.55 = 36,160.67/x
  3. Step 3: Cross multiply
    63,013.93x = 86,958.55 × 36,160.67
  4. Step 4: Simplify right side
    63,013.93x = 3,144,479,430.23
  5. Step 5: Solve for x
    x = 3,144,479,430.23/63,013.93
  6. Step 6: Final answer
    x = 49,901.34

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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.