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Finding the Fourth Proportional to 5,072.93, 7,000.22 and 2,948.50

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Solution

The fourth proportional to 5,072.93, 7,000.22 and 2,948.50 is: 4,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.93 : 7,000.22 = 2,948.50 : x
  2. Step 2: Convert to fraction form
    5,072.93/7,000.22 = 2,948.50/x
  3. Step 3: Cross multiply
    5,072.93x = 7,000.22 × 2,948.50
  4. Step 4: Simplify right side
    5,072.93x = 20,640,164.79
  5. Step 5: Solve for x
    x = 20,640,164.79/5,072.93
  6. Step 6: Final answer
    x = 4,068.69

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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.