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Finding the Fourth Proportional to 67,894.29, 93,673.13 and 39,579.93

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Solution

The fourth proportional to 67,894.29, 93,673.13 and 39,579.93 is: 54,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,894.29 : 93,673.13 = 39,579.93 : x
  2. Step 2: Convert to fraction form
    67,894.29/93,673.13 = 39,579.93/x
  3. Step 3: Cross multiply
    67,894.29x = 93,673.13 × 39,579.93
  4. Step 4: Simplify right side
    67,894.29x = 3,707,575,730.38
  5. Step 5: Solve for x
    x = 3,707,575,730.38/67,894.29
  6. Step 6: Final answer
    x = 54,608.06

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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.