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Finding the Fourth Proportional to 66,118.51, 99,133.72 and 23,993.13

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Solution

The fourth proportional to 66,118.51, 99,133.72 and 23,993.13 is: 35,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.51 : 99,133.72 = 23,993.13 : x
  2. Step 2: Convert to fraction form
    66,118.51/99,133.72 = 23,993.13/x
  3. Step 3: Cross multiply
    66,118.51x = 99,133.72 × 23,993.13
  4. Step 4: Simplify right side
    66,118.51x = 2,378,528,231.34
  5. Step 5: Solve for x
    x = 2,378,528,231.34/66,118.51
  6. Step 6: Final answer
    x = 35,973.71

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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.