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Finding the Fourth Proportional to 62,980.49, 94,009.96 and 55,507.36

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Solution

The fourth proportional to 62,980.49, 94,009.96 and 55,507.36 is: 82,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.49 : 94,009.96 = 55,507.36 : x
  2. Step 2: Convert to fraction form
    62,980.49/94,009.96 = 55,507.36/x
  3. Step 3: Cross multiply
    62,980.49x = 94,009.96 × 55,507.36
  4. Step 4: Simplify right side
    62,980.49x = 5,218,244,693.31
  5. Step 5: Solve for x
    x = 5,218,244,693.31/62,980.49
  6. Step 6: Final answer
    x = 82,854.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.