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Finding the Fourth Proportional to 66,273.68, 91,460.06 and 37,984.76

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Solution

The fourth proportional to 66,273.68, 91,460.06 and 37,984.76 is: 52,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,273.68 : 91,460.06 = 37,984.76 : x
  2. Step 2: Convert to fraction form
    66,273.68/91,460.06 = 37,984.76/x
  3. Step 3: Cross multiply
    66,273.68x = 91,460.06 × 37,984.76
  4. Step 4: Simplify right side
    66,273.68x = 3,474,088,428.69
  5. Step 5: Solve for x
    x = 3,474,088,428.69/66,273.68
  6. Step 6: Final answer
    x = 52,420.33

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Double scale
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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.