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Finding the Fourth Proportional to 7,605.62, 10,487.48 and 4,948.10

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Solution

The fourth proportional to 7,605.62, 10,487.48 and 4,948.10 is: 6,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.62 : 10,487.48 = 4,948.10 : x
  2. Step 2: Convert to fraction form
    7,605.62/10,487.48 = 4,948.10/x
  3. Step 3: Cross multiply
    7,605.62x = 10,487.48 × 4,948.10
  4. Step 4: Simplify right side
    7,605.62x = 51,893,099.79
  5. Step 5: Solve for x
    x = 51,893,099.79/7,605.62
  6. Step 6: Final answer
    x = 6,822.99

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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.