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Finding the Fourth Proportional to 85,950.91, 128,809.57 and 32,614.22

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Solution

The fourth proportional to 85,950.91, 128,809.57 and 32,614.22 is: 48,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,950.91 : 128,809.57 = 32,614.22 : x
  2. Step 2: Convert to fraction form
    85,950.91/128,809.57 = 32,614.22/x
  3. Step 3: Cross multiply
    85,950.91x = 128,809.57 × 32,614.22
  4. Step 4: Simplify right side
    85,950.91x = 4,201,023,501.72
  5. Step 5: Solve for x
    x = 4,201,023,501.72/85,950.91
  6. Step 6: Final answer
    x = 48,877.01

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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.