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Finding the Fourth Proportional to 84,598.11, 126,925.82 and 28,444.11

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Solution

The fourth proportional to 84,598.11, 126,925.82 and 28,444.11 is: 42,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598.11 : 126,925.82 = 28,444.11 : x
  2. Step 2: Convert to fraction form
    84,598.11/126,925.82 = 28,444.11/x
  3. Step 3: Cross multiply
    84,598.11x = 126,925.82 × 28,444.11
  4. Step 4: Simplify right side
    84,598.11x = 3,610,291,843.70
  5. Step 5: Solve for x
    x = 3,610,291,843.70/84,598.11
  6. Step 6: Final answer
    x = 42,675.80

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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.