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Finding the Fourth Proportional to 75,035, 103,550.22 and 45,228.92

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Solution

The fourth proportional to 75,035, 103,550.22 and 45,228.92 is: 62,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,035 : 103,550.22 = 45,228.92 : x
  2. Step 2: Convert to fraction form
    75,035/103,550.22 = 45,228.92/x
  3. Step 3: Cross multiply
    75,035x = 103,550.22 × 45,228.92
  4. Step 4: Simplify right side
    75,035x = 4,683,464,616.36
  5. Step 5: Solve for x
    x = 4,683,464,616.36/75,035
  6. Step 6: Final answer
    x = 62,417.07

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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.