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Finding the Fourth Proportional to 35,484.64, 48,988.50 and 25,915

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Solution

The fourth proportional to 35,484.64, 48,988.50 and 25,915 is: 35,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484.64 : 48,988.50 = 25,915 : x
  2. Step 2: Convert to fraction form
    35,484.64/48,988.50 = 25,915/x
  3. Step 3: Cross multiply
    35,484.64x = 48,988.50 × 25,915
  4. Step 4: Simplify right side
    35,484.64x = 1,269,536,977.50
  5. Step 5: Solve for x
    x = 1,269,536,977.50/35,484.64
  6. Step 6: Final answer
    x = 35,777.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.