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Finding the Fourth Proportional to 7,501.88, 10,352.59 and 4,189.88

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Solution

The fourth proportional to 7,501.88, 10,352.59 and 4,189.88 is: 5,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.88 : 10,352.59 = 4,189.88 : x
  2. Step 2: Convert to fraction form
    7,501.88/10,352.59 = 4,189.88/x
  3. Step 3: Cross multiply
    7,501.88x = 10,352.59 × 4,189.88
  4. Step 4: Simplify right side
    7,501.88x = 43,376,109.79
  5. Step 5: Solve for x
    x = 43,376,109.79/7,501.88
  6. Step 6: Final answer
    x = 5,782.03

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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.