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Finding the Fourth Proportional to 64,797.09, 89,409.14 and 36,110.47

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Solution

The fourth proportional to 64,797.09, 89,409.14 and 36,110.47 is: 49,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,797.09 : 89,409.14 = 36,110.47 : x
  2. Step 2: Convert to fraction form
    64,797.09/89,409.14 = 36,110.47/x
  3. Step 3: Cross multiply
    64,797.09x = 89,409.14 × 36,110.47
  4. Step 4: Simplify right side
    64,797.09x = 3,228,605,934.45
  5. Step 5: Solve for x
    x = 3,228,605,934.45/64,797.09
  6. Step 6: Final answer
    x = 49,826.40

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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.