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Finding the Fourth Proportional to 62,911.54, 86,820.30 and 36,059.22

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Solution

The fourth proportional to 62,911.54, 86,820.30 and 36,059.22 is: 49,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.54 : 86,820.30 = 36,059.22 : x
  2. Step 2: Convert to fraction form
    62,911.54/86,820.30 = 36,059.22/x
  3. Step 3: Cross multiply
    62,911.54x = 86,820.30 × 36,059.22
  4. Step 4: Simplify right side
    62,911.54x = 3,130,672,298.17
  5. Step 5: Solve for x
    x = 3,130,672,298.17/62,911.54
  6. Step 6: Final answer
    x = 49,763.08

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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.