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Finding the Fourth Proportional to 7,609.68, 10,501.20 and 4,252.40

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Solution

The fourth proportional to 7,609.68, 10,501.20 and 4,252.40 is: 5,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.68 : 10,501.20 = 4,252.40 : x
  2. Step 2: Convert to fraction form
    7,609.68/10,501.20 = 4,252.40/x
  3. Step 3: Cross multiply
    7,609.68x = 10,501.20 × 4,252.40
  4. Step 4: Simplify right side
    7,609.68x = 44,655,302.88
  5. Step 5: Solve for x
    x = 44,655,302.88/7,609.68
  6. Step 6: Final answer
    x = 5,868.22

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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.