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Finding the Fourth Proportional to 62,955.59, 86,884.84 and 47,012.36

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Solution

The fourth proportional to 62,955.59, 86,884.84 and 47,012.36 is: 64,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.59 : 86,884.84 = 47,012.36 : x
  2. Step 2: Convert to fraction form
    62,955.59/86,884.84 = 47,012.36/x
  3. Step 3: Cross multiply
    62,955.59x = 86,884.84 × 47,012.36
  4. Step 4: Simplify right side
    62,955.59x = 4,084,661,376.62
  5. Step 5: Solve for x
    x = 4,084,661,376.62/62,955.59
  6. Step 6: Final answer
    x = 64,881.63

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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.