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Finding the Fourth Proportional to 71,367.37, 98,482.71 and 39,533.97

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Solution

The fourth proportional to 71,367.37, 98,482.71 and 39,533.97 is: 54,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.37 : 98,482.71 = 39,533.97 : x
  2. Step 2: Convert to fraction form
    71,367.37/98,482.71 = 39,533.97/x
  3. Step 3: Cross multiply
    71,367.37x = 98,482.71 × 39,533.97
  4. Step 4: Simplify right side
    71,367.37x = 3,893,412,502.66
  5. Step 5: Solve for x
    x = 3,893,412,502.66/71,367.37
  6. Step 6: Final answer
    x = 54,554.52

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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.