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Finding the Fourth Proportional to 71,371.04, 98,484.86 and 39,533.99

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Solution

The fourth proportional to 71,371.04, 98,484.86 and 39,533.99 is: 54,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.04 : 98,484.86 = 39,533.99 : x
  2. Step 2: Convert to fraction form
    71,371.04/98,484.86 = 39,533.99/x
  3. Step 3: Cross multiply
    71,371.04x = 98,484.86 × 39,533.99
  4. Step 4: Simplify right side
    71,371.04x = 3,893,498,780.30
  5. Step 5: Solve for x
    x = 3,893,498,780.30/71,371.04
  6. Step 6: Final answer
    x = 54,552.93

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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.