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Finding the Fourth Proportional to 71,373.03, 98,541 and 45,890.84

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Solution

The fourth proportional to 71,373.03, 98,541 and 45,890.84 is: 63,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373.03 : 98,541 = 45,890.84 : x
  2. Step 2: Convert to fraction form
    71,373.03/98,541 = 45,890.84/x
  3. Step 3: Cross multiply
    71,373.03x = 98,541 × 45,890.84
  4. Step 4: Simplify right side
    71,373.03x = 4,522,129,264.44
  5. Step 5: Solve for x
    x = 4,522,129,264.44/71,373.03
  6. Step 6: Final answer
    x = 63,359.08

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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.