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Finding the Fourth Proportional to 65,555.14, 90,465.90 and 37,266.28

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Solution

The fourth proportional to 65,555.14, 90,465.90 and 37,266.28 is: 51,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.14 : 90,465.90 = 37,266.28 : x
  2. Step 2: Convert to fraction form
    65,555.14/90,465.90 = 37,266.28/x
  3. Step 3: Cross multiply
    65,555.14x = 90,465.90 × 37,266.28
  4. Step 4: Simplify right side
    65,555.14x = 3,371,327,559.85
  5. Step 5: Solve for x
    x = 3,371,327,559.85/65,555.14
  6. Step 6: Final answer
    x = 51,427.36

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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.