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Finding the Fourth Proportional to 7,509.50, 10,363.11 and 4,197.50

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Solution

The fourth proportional to 7,509.50, 10,363.11 and 4,197.50 is: 5,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.50 : 10,363.11 = 4,197.50 : x
  2. Step 2: Convert to fraction form
    7,509.50/10,363.11 = 4,197.50/x
  3. Step 3: Cross multiply
    7,509.50x = 10,363.11 × 4,197.50
  4. Step 4: Simplify right side
    7,509.50x = 43,499,154.23
  5. Step 5: Solve for x
    x = 43,499,154.23/7,509.50
  6. Step 6: Final answer
    x = 5,792.55

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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.