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Finding the Fourth Proportional to 85,014.72, 127,518.84 and 22,684.68

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Solution

The fourth proportional to 85,014.72, 127,518.84 and 22,684.68 is: 34,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.72 : 127,518.84 = 22,684.68 : x
  2. Step 2: Convert to fraction form
    85,014.72/127,518.84 = 22,684.68/x
  3. Step 3: Cross multiply
    85,014.72x = 127,518.84 × 22,684.68
  4. Step 4: Simplify right side
    85,014.72x = 2,892,724,079.37
  5. Step 5: Solve for x
    x = 2,892,724,079.37/85,014.72
  6. Step 6: Final answer
    x = 34,026.16

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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.