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Finding the Fourth Proportional to 38,894.69, 53,675.36 and 22,979.10

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Solution

The fourth proportional to 38,894.69, 53,675.36 and 22,979.10 is: 31,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,894.69 : 53,675.36 = 22,979.10 : x
  2. Step 2: Convert to fraction form
    38,894.69/53,675.36 = 22,979.10/x
  3. Step 3: Cross multiply
    38,894.69x = 53,675.36 × 22,979.10
  4. Step 4: Simplify right side
    38,894.69x = 1,233,411,637.53
  5. Step 5: Solve for x
    x = 1,233,411,637.53/38,894.69
  6. Step 6: Final answer
    x = 31,711.57

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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.