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Finding the Fourth Proportional to 71,425.94, 98,606.77 and 47,228.00

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Solution

The fourth proportional to 71,425.94, 98,606.77 and 47,228.00 is: 65,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,425.94 : 98,606.77 = 47,228.00 : x
  2. Step 2: Convert to fraction form
    71,425.94/98,606.77 = 47,228.00/x
  3. Step 3: Cross multiply
    71,425.94x = 98,606.77 × 47,228.00
  4. Step 4: Simplify right side
    71,425.94x = 4,656,999,922.46
  5. Step 5: Solve for x
    x = 4,656,999,922.46/71,425.94
  6. Step 6: Final answer
    x = 65,200.41

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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.