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Finding the Fourth Proportional to 83,324.16, 115,011.48 and 47,533.68

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Solution

The fourth proportional to 83,324.16, 115,011.48 and 47,533.68 is: 65,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,324.16 : 115,011.48 = 47,533.68 : x
  2. Step 2: Convert to fraction form
    83,324.16/115,011.48 = 47,533.68/x
  3. Step 3: Cross multiply
    83,324.16x = 115,011.48 × 47,533.68
  4. Step 4: Simplify right side
    83,324.16x = 5,466,918,886.65
  5. Step 5: Solve for x
    x = 5,466,918,886.65/83,324.16
  6. Step 6: Final answer
    x = 65,610.25

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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.