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Finding the Fourth Proportional to 71,341.83, 98,390.30 and 44,456.31

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Solution

The fourth proportional to 71,341.83, 98,390.30 and 44,456.31 is: 61,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341.83 : 98,390.30 = 44,456.31 : x
  2. Step 2: Convert to fraction form
    71,341.83/98,390.30 = 44,456.31/x
  3. Step 3: Cross multiply
    71,341.83x = 98,390.30 × 44,456.31
  4. Step 4: Simplify right side
    71,341.83x = 4,374,069,455.51
  5. Step 5: Solve for x
    x = 4,374,069,455.51/71,341.83
  6. Step 6: Final answer
    x = 61,311.43

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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.