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Finding the Fourth Proportional to 84,798.47, 117,016.03 and 47,069.75

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Solution

The fourth proportional to 84,798.47, 117,016.03 and 47,069.75 is: 64,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,798.47 : 117,016.03 = 47,069.75 : x
  2. Step 2: Convert to fraction form
    84,798.47/117,016.03 = 47,069.75/x
  3. Step 3: Cross multiply
    84,798.47x = 117,016.03 × 47,069.75
  4. Step 4: Simplify right side
    84,798.47x = 5,507,915,278.09
  5. Step 5: Solve for x
    x = 5,507,915,278.09/84,798.47
  6. Step 6: Final answer
    x = 64,953.00

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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.