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Finding the Fourth Proportional to 69,006.81, 103,407.48 and 35,682.39

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Solution

The fourth proportional to 69,006.81, 103,407.48 and 35,682.39 is: 53,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,006.81 : 103,407.48 = 35,682.39 : x
  2. Step 2: Convert to fraction form
    69,006.81/103,407.48 = 35,682.39/x
  3. Step 3: Cross multiply
    69,006.81x = 103,407.48 × 35,682.39
  4. Step 4: Simplify right side
    69,006.81x = 3,689,826,030.28
  5. Step 5: Solve for x
    x = 3,689,826,030.28/69,006.81
  6. Step 6: Final answer
    x = 53,470.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.