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Finding the Fourth Proportional to 35,456.58, 48,931.10 and 19,542.05

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Solution

The fourth proportional to 35,456.58, 48,931.10 and 19,542.05 is: 26,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.58 : 48,931.10 = 19,542.05 : x
  2. Step 2: Convert to fraction form
    35,456.58/48,931.10 = 19,542.05/x
  3. Step 3: Cross multiply
    35,456.58x = 48,931.10 × 19,542.05
  4. Step 4: Simplify right side
    35,456.58x = 956,214,002.76
  5. Step 5: Solve for x
    x = 956,214,002.76/35,456.58
  6. Step 6: Final answer
    x = 26,968.59

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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.