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Finding the Fourth Proportional to 16,539, 22,823.52 and 9,368.88

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Solution

The fourth proportional to 16,539, 22,823.52 and 9,368.88 is: 12,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539 : 22,823.52 = 9,368.88 : x
  2. Step 2: Convert to fraction form
    16,539/22,823.52 = 9,368.88/x
  3. Step 3: Cross multiply
    16,539x = 22,823.52 × 9,368.88
  4. Step 4: Simplify right side
    16,539x = 213,830,820.06
  5. Step 5: Solve for x
    x = 213,830,820.06/16,539
  6. Step 6: Final answer
    x = 12,928.88

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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.