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Finding the Fourth Proportional to 16,187.91, 24,280.11 and 4,342.88

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Solution

The fourth proportional to 16,187.91, 24,280.11 and 4,342.88 is: 6,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.91 : 24,280.11 = 4,342.88 : x
  2. Step 2: Convert to fraction form
    16,187.91/24,280.11 = 4,342.88/x
  3. Step 3: Cross multiply
    16,187.91x = 24,280.11 × 4,342.88
  4. Step 4: Simplify right side
    16,187.91x = 105,445,482.72
  5. Step 5: Solve for x
    x = 105,445,482.72/16,187.91
  6. Step 6: Final answer
    x = 6,513.84

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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.