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Finding the Fourth Proportional to 60,121.51, 82,970.12 and 33,263.58

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Solution

The fourth proportional to 60,121.51, 82,970.12 and 33,263.58 is: 45,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.51 : 82,970.12 = 33,263.58 : x
  2. Step 2: Convert to fraction form
    60,121.51/82,970.12 = 33,263.58/x
  3. Step 3: Cross multiply
    60,121.51x = 82,970.12 × 33,263.58
  4. Step 4: Simplify right side
    60,121.51x = 2,759,883,151.82
  5. Step 5: Solve for x
    x = 2,759,883,151.82/60,121.51
  6. Step 6: Final answer
    x = 45,905.09

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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.