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Finding the Fourth Proportional to 7,525.93, 10,384.91 and 4,339.20

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Solution

The fourth proportional to 7,525.93, 10,384.91 and 4,339.20 is: 5,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.93 : 10,384.91 = 4,339.20 : x
  2. Step 2: Convert to fraction form
    7,525.93/10,384.91 = 4,339.20/x
  3. Step 3: Cross multiply
    7,525.93x = 10,384.91 × 4,339.20
  4. Step 4: Simplify right side
    7,525.93x = 45,062,201.47
  5. Step 5: Solve for x
    x = 45,062,201.47/7,525.93
  6. Step 6: Final answer
    x = 5,987.59

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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.