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Finding the Fourth Proportional to 7,295.80, 10,949.10 and 4,829.80

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Solution

The fourth proportional to 7,295.80, 10,949.10 and 4,829.80 is: 7,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.80 : 10,949.10 = 4,829.80 : x
  2. Step 2: Convert to fraction form
    7,295.80/10,949.10 = 4,829.80/x
  3. Step 3: Cross multiply
    7,295.80x = 10,949.10 × 4,829.80
  4. Step 4: Simplify right side
    7,295.80x = 52,881,963.18
  5. Step 5: Solve for x
    x = 52,881,963.18/7,295.80
  6. Step 6: Final answer
    x = 7,248.27

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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.