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Finding the Fourth Proportional to 53,223, 73,448.25 and 29,350.47

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Solution

The fourth proportional to 53,223, 73,448.25 and 29,350.47 is: 40,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223 : 73,448.25 = 29,350.47 : x
  2. Step 2: Convert to fraction form
    53,223/73,448.25 = 29,350.47/x
  3. Step 3: Cross multiply
    53,223x = 73,448.25 × 29,350.47
  4. Step 4: Simplify right side
    53,223x = 2,155,740,658.18
  5. Step 5: Solve for x
    x = 2,155,740,658.18/53,223
  6. Step 6: Final answer
    x = 40,503.93

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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.