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Finding the Fourth Proportional to 16,807.65, 25,211.60 and 6,280.05

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Solution

The fourth proportional to 16,807.65, 25,211.60 and 6,280.05 is: 9,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.65 : 25,211.60 = 6,280.05 : x
  2. Step 2: Convert to fraction form
    16,807.65/25,211.60 = 6,280.05/x
  3. Step 3: Cross multiply
    16,807.65x = 25,211.60 × 6,280.05
  4. Step 4: Simplify right side
    16,807.65x = 158,330,108.58
  5. Step 5: Solve for x
    x = 158,330,108.58/16,807.65
  6. Step 6: Final answer
    x = 9,420.12

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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.