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Finding the Fourth Proportional to 84,793.47, 117,009.14 and 47,064.75

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Solution

The fourth proportional to 84,793.47, 117,009.14 and 47,064.75 is: 64,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.47 : 117,009.14 = 47,064.75 : x
  2. Step 2: Convert to fraction form
    84,793.47/117,009.14 = 47,064.75/x
  3. Step 3: Cross multiply
    84,793.47x = 117,009.14 × 47,064.75
  4. Step 4: Simplify right side
    84,793.47x = 5,507,005,686.49
  5. Step 5: Solve for x
    x = 5,507,005,686.49/84,793.47
  6. Step 6: Final answer
    x = 64,946.11

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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.