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Finding the Fourth Proportional to 84,609.93, 116,746.89 and 48,294.79

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Solution

The fourth proportional to 84,609.93, 116,746.89 and 48,294.79 is: 66,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,609.93 : 116,746.89 = 48,294.79 : x
  2. Step 2: Convert to fraction form
    84,609.93/116,746.89 = 48,294.79/x
  3. Step 3: Cross multiply
    84,609.93x = 116,746.89 × 48,294.79
  4. Step 4: Simplify right side
    84,609.93x = 5,638,266,535.70
  5. Step 5: Solve for x
    x = 5,638,266,535.70/84,609.93
  6. Step 6: Final answer
    x = 66,638.35

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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.