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Finding the Fourth Proportional to 40,944.61, 61,418.13 and 11,364.63

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Solution

The fourth proportional to 40,944.61, 61,418.13 and 11,364.63 is: 17,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.61 : 61,418.13 = 11,364.63 : x
  2. Step 2: Convert to fraction form
    40,944.61/61,418.13 = 11,364.63/x
  3. Step 3: Cross multiply
    40,944.61x = 61,418.13 × 11,364.63
  4. Step 4: Simplify right side
    40,944.61x = 697,994,322.74
  5. Step 5: Solve for x
    x = 697,994,322.74/40,944.61
  6. Step 6: Final answer
    x = 17,047.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.