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Finding the Fourth Proportional to 60,242.64, 83,138.04 and 33,388.08

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Solution

The fourth proportional to 60,242.64, 83,138.04 and 33,388.08 is: 46,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.64 : 83,138.04 = 33,388.08 : x
  2. Step 2: Convert to fraction form
    60,242.64/83,138.04 = 33,388.08/x
  3. Step 3: Cross multiply
    60,242.64x = 83,138.04 × 33,388.08
  4. Step 4: Simplify right side
    60,242.64x = 2,775,819,530.56
  5. Step 5: Solve for x
    x = 2,775,819,530.56/60,242.64
  6. Step 6: Final answer
    x = 46,077.32

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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.