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Finding the Fourth Proportional to 65,263.44, 90,063.60 and 36,969.12

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Solution

The fourth proportional to 65,263.44, 90,063.60 and 36,969.12 is: 51,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,263.44 : 90,063.60 = 36,969.12 : x
  2. Step 2: Convert to fraction form
    65,263.44/90,063.60 = 36,969.12/x
  3. Step 3: Cross multiply
    65,263.44x = 90,063.60 × 36,969.12
  4. Step 4: Simplify right side
    65,263.44x = 3,329,572,036.03
  5. Step 5: Solve for x
    x = 3,329,572,036.03/65,263.44
  6. Step 6: Final answer
    x = 51,017.42

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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.