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Finding the Fourth Proportional to 64,598.58, 89,138.03 and 37,379.34

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Solution

The fourth proportional to 64,598.58, 89,138.03 and 37,379.34 is: 51,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,598.58 : 89,138.03 = 37,379.34 : x
  2. Step 2: Convert to fraction form
    64,598.58/89,138.03 = 37,379.34/x
  3. Step 3: Cross multiply
    64,598.58x = 89,138.03 × 37,379.34
  4. Step 4: Simplify right side
    64,598.58x = 3,331,920,543.40
  5. Step 5: Solve for x
    x = 3,331,920,543.40/64,598.58
  6. Step 6: Final answer
    x = 51,578.85

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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.