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Finding the Fourth Proportional to 84,761.94, 116,975.12 and 47,036.19

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Solution

The fourth proportional to 84,761.94, 116,975.12 and 47,036.19 is: 64,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,761.94 : 116,975.12 = 47,036.19 : x
  2. Step 2: Convert to fraction form
    84,761.94/116,975.12 = 47,036.19/x
  3. Step 3: Cross multiply
    84,761.94x = 116,975.12 × 47,036.19
  4. Step 4: Simplify right side
    84,761.94x = 5,502,063,969.59
  5. Step 5: Solve for x
    x = 5,502,063,969.59/84,761.94
  6. Step 6: Final answer
    x = 64,911.96

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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.