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Finding the Fourth Proportional to 15,302.34, 22,904.88 and 8,272.34

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Solution

The fourth proportional to 15,302.34, 22,904.88 and 8,272.34 is: 12,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.34 : 22,904.88 = 8,272.34 : x
  2. Step 2: Convert to fraction form
    15,302.34/22,904.88 = 8,272.34/x
  3. Step 3: Cross multiply
    15,302.34x = 22,904.88 × 8,272.34
  4. Step 4: Simplify right side
    15,302.34x = 189,476,955.02
  5. Step 5: Solve for x
    x = 189,476,955.02/15,302.34
  6. Step 6: Final answer
    x = 12,382.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.