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Finding the Fourth Proportional to 27,417.40, 38,436.20 and 27,417.40

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Solution

The fourth proportional to 27,417.40, 38,436.20 and 27,417.40 is: 38,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.40 : 38,436.20 = 27,417.40 : x
  2. Step 2: Convert to fraction form
    27,417.40/38,436.20 = 27,417.40/x
  3. Step 3: Cross multiply
    27,417.40x = 38,436.20 × 27,417.40
  4. Step 4: Simplify right side
    27,417.40x = 1,053,820,669.88
  5. Step 5: Solve for x
    x = 1,053,820,669.88/27,417.40
  6. Step 6: Final answer
    x = 38,436.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.