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Finding the Fourth Proportional to 62,116.15, 85,721.32 and 35,259.48

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Solution

The fourth proportional to 62,116.15, 85,721.32 and 35,259.48 is: 48,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,116.15 : 85,721.32 = 35,259.48 : x
  2. Step 2: Convert to fraction form
    62,116.15/85,721.32 = 35,259.48/x
  3. Step 3: Cross multiply
    62,116.15x = 85,721.32 × 35,259.48
  4. Step 4: Simplify right side
    62,116.15x = 3,022,489,168.11
  5. Step 5: Solve for x
    x = 3,022,489,168.11/62,116.15
  6. Step 6: Final answer
    x = 48,658.67

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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.