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Finding the Fourth Proportional to 64,891, 97,347.03 and 25,426.72

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Solution

The fourth proportional to 64,891, 97,347.03 and 25,426.72 is: 38,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891 : 97,347.03 = 25,426.72 : x
  2. Step 2: Convert to fraction form
    64,891/97,347.03 = 25,426.72/x
  3. Step 3: Cross multiply
    64,891x = 97,347.03 × 25,426.72
  4. Step 4: Simplify right side
    64,891x = 2,475,215,674.64
  5. Step 5: Solve for x
    x = 2,475,215,674.64/64,891
  6. Step 6: Final answer
    x = 38,144.21

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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.