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Finding the Fourth Proportional to 64,589.58, 89,125.65 and 37,370.34

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Solution

The fourth proportional to 64,589.58, 89,125.65 and 37,370.34 is: 51,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.58 : 89,125.65 = 37,370.34 : x
  2. Step 2: Convert to fraction form
    64,589.58/89,125.65 = 37,370.34/x
  3. Step 3: Cross multiply
    64,589.58x = 89,125.65 × 37,370.34
  4. Step 4: Simplify right side
    64,589.58x = 3,330,655,843.22
  5. Step 5: Solve for x
    x = 3,330,655,843.22/64,589.58
  6. Step 6: Final answer
    x = 51,566.46

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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.