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Finding the Fourth Proportional to 27,851.04, 38,443.04 and 17,915.04

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Solution

The fourth proportional to 27,851.04, 38,443.04 and 17,915.04 is: 24,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.04 : 38,443.04 = 17,915.04 : x
  2. Step 2: Convert to fraction form
    27,851.04/38,443.04 = 17,915.04/x
  3. Step 3: Cross multiply
    27,851.04x = 38,443.04 × 17,915.04
  4. Step 4: Simplify right side
    27,851.04x = 688,708,599.32
  5. Step 5: Solve for x
    x = 688,708,599.32/27,851.04
  6. Step 6: Final answer
    x = 24,728.29

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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.