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Finding the Fourth Proportional to 69,973.52, 96,558.63 and 39,351.19

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Solution

The fourth proportional to 69,973.52, 96,558.63 and 39,351.19 is: 54,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.52 : 96,558.63 = 39,351.19 : x
  2. Step 2: Convert to fraction form
    69,973.52/96,558.63 = 39,351.19/x
  3. Step 3: Cross multiply
    69,973.52x = 96,558.63 × 39,351.19
  4. Step 4: Simplify right side
    69,973.52x = 3,799,697,280.28
  5. Step 5: Solve for x
    x = 3,799,697,280.28/69,973.52
  6. Step 6: Final answer
    x = 54,301.93

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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.