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Finding the Fourth Proportional to 85,097.98, 127,587.85 and 37,687.23

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Solution

The fourth proportional to 85,097.98, 127,587.85 and 37,687.23 is: 56,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.98 : 127,587.85 = 37,687.23 : x
  2. Step 2: Convert to fraction form
    85,097.98/127,587.85 = 37,687.23/x
  3. Step 3: Cross multiply
    85,097.98x = 127,587.85 × 37,687.23
  4. Step 4: Simplify right side
    85,097.98x = 4,808,432,765.93
  5. Step 5: Solve for x
    x = 4,808,432,765.93/85,097.98
  6. Step 6: Final answer
    x = 56,504.67

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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.