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Finding the Fourth Proportional to 62,673.28, 86,488.32 and 35,815.48

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Solution

The fourth proportional to 62,673.28, 86,488.32 and 35,815.48 is: 49,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,673.28 : 86,488.32 = 35,815.48 : x
  2. Step 2: Convert to fraction form
    62,673.28/86,488.32 = 35,815.48/x
  3. Step 3: Cross multiply
    62,673.28x = 86,488.32 × 35,815.48
  4. Step 4: Simplify right side
    62,673.28x = 3,097,620,695.19
  5. Step 5: Solve for x
    x = 3,097,620,695.19/62,673.28
  6. Step 6: Final answer
    x = 49,424.90

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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.