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Finding the Fourth Proportional to 5,001.89, 7,502.94 and 1,539.14

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Solution

The fourth proportional to 5,001.89, 7,502.94 and 1,539.14 is: 2,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.89 : 7,502.94 = 1,539.14 : x
  2. Step 2: Convert to fraction form
    5,001.89/7,502.94 = 1,539.14/x
  3. Step 3: Cross multiply
    5,001.89x = 7,502.94 × 1,539.14
  4. Step 4: Simplify right side
    5,001.89x = 11,548,075.07
  5. Step 5: Solve for x
    x = 11,548,075.07/5,001.89
  6. Step 6: Final answer
    x = 2,308.74

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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.