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Finding the Fourth Proportional to 55,064.91, 75,983.12 and 32,398.91

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Solution

The fourth proportional to 55,064.91, 75,983.12 and 32,398.91 is: 44,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064.91 : 75,983.12 = 32,398.91 : x
  2. Step 2: Convert to fraction form
    55,064.91/75,983.12 = 32,398.91/x
  3. Step 3: Cross multiply
    55,064.91x = 75,983.12 × 32,398.91
  4. Step 4: Simplify right side
    55,064.91x = 2,461,770,266.40
  5. Step 5: Solve for x
    x = 2,461,770,266.40/55,064.91
  6. Step 6: Final answer
    x = 44,706.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.