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Finding the Fourth Proportional to 62,707.40, 86,532.76 and 34,410.84

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Solution

The fourth proportional to 62,707.40, 86,532.76 and 34,410.84 is: 47,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.40 : 86,532.76 = 34,410.84 : x
  2. Step 2: Convert to fraction form
    62,707.40/86,532.76 = 34,410.84/x
  3. Step 3: Cross multiply
    62,707.40x = 86,532.76 × 34,410.84
  4. Step 4: Simplify right side
    62,707.40x = 2,977,664,959.12
  5. Step 5: Solve for x
    x = 2,977,664,959.12/62,707.40
  6. Step 6: Final answer
    x = 47,485.06

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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.