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Finding the Fourth Proportional to 73,637.84, 101,621.44 and 40,103.84

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Solution

The fourth proportional to 73,637.84, 101,621.44 and 40,103.84 is: 55,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,637.84 : 101,621.44 = 40,103.84 : x
  2. Step 2: Convert to fraction form
    73,637.84/101,621.44 = 40,103.84/x
  3. Step 3: Cross multiply
    73,637.84x = 101,621.44 × 40,103.84
  4. Step 4: Simplify right side
    73,637.84x = 4,075,409,970.33
  5. Step 5: Solve for x
    x = 4,075,409,970.33/73,637.84
  6. Step 6: Final answer
    x = 55,343.96

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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.