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Finding the Fourth Proportional to 19,269.16, 28,912.08 and 6,798.10

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Solution

The fourth proportional to 19,269.16, 28,912.08 and 6,798.10 is: 10,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.16 : 28,912.08 = 6,798.10 : x
  2. Step 2: Convert to fraction form
    19,269.16/28,912.08 = 6,798.10/x
  3. Step 3: Cross multiply
    19,269.16x = 28,912.08 × 6,798.10
  4. Step 4: Simplify right side
    19,269.16x = 196,547,211.05
  5. Step 5: Solve for x
    x = 196,547,211.05/19,269.16
  6. Step 6: Final answer
    x = 10,200.09

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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.