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Finding the Fourth Proportional to 64,021.74, 88,349.49 and 37,166.74

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Solution

The fourth proportional to 64,021.74, 88,349.49 and 37,166.74 is: 51,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.74 : 88,349.49 = 37,166.74 : x
  2. Step 2: Convert to fraction form
    64,021.74/88,349.49 = 37,166.74/x
  3. Step 3: Cross multiply
    64,021.74x = 88,349.49 × 37,166.74
  4. Step 4: Simplify right side
    64,021.74x = 3,283,662,523.96
  5. Step 5: Solve for x
    x = 3,283,662,523.96/64,021.74
  6. Step 6: Final answer
    x = 51,289.80

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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.