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Finding the Fourth Proportional to 60,018.74, 82,830.71 and 33,163.60

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Solution

The fourth proportional to 60,018.74, 82,830.71 and 33,163.60 is: 45,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.74 : 82,830.71 = 33,163.60 : x
  2. Step 2: Convert to fraction form
    60,018.74/82,830.71 = 33,163.60/x
  3. Step 3: Cross multiply
    60,018.74x = 82,830.71 × 33,163.60
  4. Step 4: Simplify right side
    60,018.74x = 2,746,964,534.16
  5. Step 5: Solve for x
    x = 2,746,964,534.16/60,018.74
  6. Step 6: Final answer
    x = 45,768.45

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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.