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Finding the Fourth Proportional to 69,730.83, 104,597.40 and 36,515.76

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Solution

The fourth proportional to 69,730.83, 104,597.40 and 36,515.76 is: 54,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,730.83 : 104,597.40 = 36,515.76 : x
  2. Step 2: Convert to fraction form
    69,730.83/104,597.40 = 36,515.76/x
  3. Step 3: Cross multiply
    69,730.83x = 104,597.40 × 36,515.76
  4. Step 4: Simplify right side
    69,730.83x = 3,819,453,555.02
  5. Step 5: Solve for x
    x = 3,819,453,555.02/69,730.83
  6. Step 6: Final answer
    x = 54,774.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.