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Finding the Fourth Proportional to 84,798.97, 117,016.71 and 47,070.25

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Solution

The fourth proportional to 84,798.97, 117,016.71 and 47,070.25 is: 64,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,798.97 : 117,016.71 = 47,070.25 : x
  2. Step 2: Convert to fraction form
    84,798.97/117,016.71 = 47,070.25/x
  3. Step 3: Cross multiply
    84,798.97x = 117,016.71 × 47,070.25
  4. Step 4: Simplify right side
    84,798.97x = 5,508,005,793.88
  5. Step 5: Solve for x
    x = 5,508,005,793.88/84,798.97
  6. Step 6: Final answer
    x = 64,953.69

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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.