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Finding the Fourth Proportional to 84,598.83, 126,893.58 and 28,433.14

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Solution

The fourth proportional to 84,598.83, 126,893.58 and 28,433.14 is: 42,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598.83 : 126,893.58 = 28,433.14 : x
  2. Step 2: Convert to fraction form
    84,598.83/126,893.58 = 28,433.14/x
  3. Step 3: Cross multiply
    84,598.83x = 126,893.58 × 28,433.14
  4. Step 4: Simplify right side
    84,598.83x = 3,607,982,977.23
  5. Step 5: Solve for x
    x = 3,607,982,977.23/84,598.83
  6. Step 6: Final answer
    x = 42,648.14

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1.5x scale

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.