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Finding the Fourth Proportional to 64,988.48, 97,487.88 and 25,026.80

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Solution

The fourth proportional to 64,988.48, 97,487.88 and 25,026.80 is: 37,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.48 : 97,487.88 = 25,026.80 : x
  2. Step 2: Convert to fraction form
    64,988.48/97,487.88 = 25,026.80/x
  3. Step 3: Cross multiply
    64,988.48x = 97,487.88 × 25,026.80
  4. Step 4: Simplify right side
    64,988.48x = 2,439,809,675.18
  5. Step 5: Solve for x
    x = 2,439,809,675.18/64,988.48
  6. Step 6: Final answer
    x = 37,542.19

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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.