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Finding the Fourth Proportional to 64,104.71, 88,467.59 and 38,619.07

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Solution

The fourth proportional to 64,104.71, 88,467.59 and 38,619.07 is: 53,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.71 : 88,467.59 = 38,619.07 : x
  2. Step 2: Convert to fraction form
    64,104.71/88,467.59 = 38,619.07/x
  3. Step 3: Cross multiply
    64,104.71x = 88,467.59 × 38,619.07
  4. Step 4: Simplify right side
    64,104.71x = 3,416,536,175.14
  5. Step 5: Solve for x
    x = 3,416,536,175.14/64,104.71
  6. Step 6: Final answer
    x = 53,296.18

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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.