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Finding the Fourth Proportional to 7,224.04, 10,815.51 and 4,751.42

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Solution

The fourth proportional to 7,224.04, 10,815.51 and 4,751.42 is: 7,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.04 : 10,815.51 = 4,751.42 : x
  2. Step 2: Convert to fraction form
    7,224.04/10,815.51 = 4,751.42/x
  3. Step 3: Cross multiply
    7,224.04x = 10,815.51 × 4,751.42
  4. Step 4: Simplify right side
    7,224.04x = 51,389,030.52
  5. Step 5: Solve for x
    x = 51,389,030.52/7,224.04
  6. Step 6: Final answer
    x = 7,113.62

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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.