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Finding the Fourth Proportional to 56,502.78, 84,699.09 and 26,912.67

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Solution

The fourth proportional to 56,502.78, 84,699.09 and 26,912.67 is: 40,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.78 : 84,699.09 = 26,912.67 : x
  2. Step 2: Convert to fraction form
    56,502.78/84,699.09 = 26,912.67/x
  3. Step 3: Cross multiply
    56,502.78x = 84,699.09 × 26,912.67
  4. Step 4: Simplify right side
    56,502.78x = 2,279,478,658.47
  5. Step 5: Solve for x
    x = 2,279,478,658.47/56,502.78
  6. Step 6: Final answer
    x = 40,342.77

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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.