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Finding the Fourth Proportional to 84,783.44, 117,003.72 and 47,060.24

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Solution

The fourth proportional to 84,783.44, 117,003.72 and 47,060.24 is: 64,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783.44 : 117,003.72 = 47,060.24 : x
  2. Step 2: Convert to fraction form
    84,783.44/117,003.72 = 47,060.24/x
  3. Step 3: Cross multiply
    84,783.44x = 117,003.72 × 47,060.24
  4. Step 4: Simplify right side
    84,783.44x = 5,506,223,144.09
  5. Step 5: Solve for x
    x = 5,506,223,144.09/84,783.44
  6. Step 6: Final answer
    x = 64,944.56

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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.