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Finding the Fourth Proportional to 66,693.16, 92,064.90 and 41,555.08

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Solution

The fourth proportional to 66,693.16, 92,064.90 and 41,555.08 is: 57,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.16 : 92,064.90 = 41,555.08 : x
  2. Step 2: Convert to fraction form
    66,693.16/92,064.90 = 41,555.08/x
  3. Step 3: Cross multiply
    66,693.16x = 92,064.90 × 41,555.08
  4. Step 4: Simplify right side
    66,693.16x = 3,825,764,284.69
  5. Step 5: Solve for x
    x = 3,825,764,284.69/66,693.16
  6. Step 6: Final answer
    x = 57,363.67

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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.