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Finding the Fourth Proportional to 64,909.80, 97,292.70 and 25,453.80

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Solution

The fourth proportional to 64,909.80, 97,292.70 and 25,453.80 is: 38,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.80 : 97,292.70 = 25,453.80 : x
  2. Step 2: Convert to fraction form
    64,909.80/97,292.70 = 25,453.80/x
  3. Step 3: Cross multiply
    64,909.80x = 97,292.70 × 25,453.80
  4. Step 4: Simplify right side
    64,909.80x = 2,476,468,927.26
  5. Step 5: Solve for x
    x = 2,476,468,927.26/64,909.80
  6. Step 6: Final answer
    x = 38,152.47

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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.