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Finding the Fourth Proportional to 18,283.52, 27,291.52 and 15,703.04

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Solution

The fourth proportional to 18,283.52, 27,291.52 and 15,703.04 is: 23,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.52 : 27,291.52 = 15,703.04 : x
  2. Step 2: Convert to fraction form
    18,283.52/27,291.52 = 15,703.04/x
  3. Step 3: Cross multiply
    18,283.52x = 27,291.52 × 15,703.04
  4. Step 4: Simplify right side
    18,283.52x = 428,559,830.22
  5. Step 5: Solve for x
    x = 428,559,830.22/18,283.52
  6. Step 6: Final answer
    x = 23,439.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.