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Finding the Fourth Proportional to 64,080.78, 88,416.48 and 37,207.09

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Solution

The fourth proportional to 64,080.78, 88,416.48 and 37,207.09 is: 51,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.78 : 88,416.48 = 37,207.09 : x
  2. Step 2: Convert to fraction form
    64,080.78/88,416.48 = 37,207.09/x
  3. Step 3: Cross multiply
    64,080.78x = 88,416.48 × 37,207.09
  4. Step 4: Simplify right side
    64,080.78x = 3,289,719,928.84
  5. Step 5: Solve for x
    x = 3,289,719,928.84/64,080.78
  6. Step 6: Final answer
    x = 51,337.08

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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.