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Finding the Fourth Proportional to 55,437.62, 76,503.89 and 29,943.98

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Solution

The fourth proportional to 55,437.62, 76,503.89 and 29,943.98 is: 41,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.62 : 76,503.89 = 29,943.98 : x
  2. Step 2: Convert to fraction form
    55,437.62/76,503.89 = 29,943.98/x
  3. Step 3: Cross multiply
    55,437.62x = 76,503.89 × 29,943.98
  4. Step 4: Simplify right side
    55,437.62x = 2,290,830,952.08
  5. Step 5: Solve for x
    x = 2,290,830,952.08/55,437.62
  6. Step 6: Final answer
    x = 41,322.68

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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.