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Finding the Fourth Proportional to 27,398.52, 37,809.93 and 15,464.40

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Solution

The fourth proportional to 27,398.52, 37,809.93 and 15,464.40 is: 21,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.52 : 37,809.93 = 15,464.40 : x
  2. Step 2: Convert to fraction form
    27,398.52/37,809.93 = 15,464.40/x
  3. Step 3: Cross multiply
    27,398.52x = 37,809.93 × 15,464.40
  4. Step 4: Simplify right side
    27,398.52x = 584,707,881.49
  5. Step 5: Solve for x
    x = 584,707,881.49/27,398.52
  6. Step 6: Final answer
    x = 21,340.86

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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.