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Finding the Fourth Proportional to 66,720.66, 100,088.48 and 22,350.48

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Solution

The fourth proportional to 66,720.66, 100,088.48 and 22,350.48 is: 33,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720.66 : 100,088.48 = 22,350.48 : x
  2. Step 2: Convert to fraction form
    66,720.66/100,088.48 = 22,350.48/x
  3. Step 3: Cross multiply
    66,720.66x = 100,088.48 × 22,350.48
  4. Step 4: Simplify right side
    66,720.66x = 2,237,025,570.47
  5. Step 5: Solve for x
    x = 2,237,025,570.47/66,720.66
  6. Step 6: Final answer
    x = 33,528.23

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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.