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Finding the Fourth Proportional to 27,735.52, 38,264.52 and 18,307.12

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Solution

The fourth proportional to 27,735.52, 38,264.52 and 18,307.12 is: 25,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.52 : 38,264.52 = 18,307.12 : x
  2. Step 2: Convert to fraction form
    27,735.52/38,264.52 = 18,307.12/x
  3. Step 3: Cross multiply
    27,735.52x = 38,264.52 × 18,307.12
  4. Step 4: Simplify right side
    27,735.52x = 700,513,159.38
  5. Step 5: Solve for x
    x = 700,513,159.38/27,735.52
  6. Step 6: Final answer
    x = 25,256.90

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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.