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Finding the Fourth Proportional to 7,604.80, 11,407.08 and 6,303.52

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Solution

The fourth proportional to 7,604.80, 11,407.08 and 6,303.52 is: 9,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.80 : 11,407.08 = 6,303.52 : x
  2. Step 2: Convert to fraction form
    7,604.80/11,407.08 = 6,303.52/x
  3. Step 3: Cross multiply
    7,604.80x = 11,407.08 × 6,303.52
  4. Step 4: Simplify right side
    7,604.80x = 71,904,756.92
  5. Step 5: Solve for x
    x = 71,904,756.92/7,604.80
  6. Step 6: Final answer
    x = 9,455.18

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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.