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Finding the Fourth Proportional to 35,108.80, 52,663.20 and 25,316.80

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Solution

The fourth proportional to 35,108.80, 52,663.20 and 25,316.80 is: 37,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.80 : 52,663.20 = 25,316.80 : x
  2. Step 2: Convert to fraction form
    35,108.80/52,663.20 = 25,316.80/x
  3. Step 3: Cross multiply
    35,108.80x = 52,663.20 × 25,316.80
  4. Step 4: Simplify right side
    35,108.80x = 1,333,263,701.76
  5. Step 5: Solve for x
    x = 1,333,263,701.76/35,108.80
  6. Step 6: Final answer
    x = 37,975.20

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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.