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Finding the Fourth Proportional to 53,477.70, 73,800.10 and 29,278.26

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Solution

The fourth proportional to 53,477.70, 73,800.10 and 29,278.26 is: 40,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.70 : 73,800.10 = 29,278.26 : x
  2. Step 2: Convert to fraction form
    53,477.70/73,800.10 = 29,278.26/x
  3. Step 3: Cross multiply
    53,477.70x = 73,800.10 × 29,278.26
  4. Step 4: Simplify right side
    53,477.70x = 2,160,738,515.83
  5. Step 5: Solve for x
    x = 2,160,738,515.83/53,477.70
  6. Step 6: Final answer
    x = 40,404.48

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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.