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Finding the Fourth Proportional to 64,793.81, 89,415.65 and 37,575.18

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Solution

The fourth proportional to 64,793.81, 89,415.65 and 37,575.18 is: 51,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,793.81 : 89,415.65 = 37,575.18 : x
  2. Step 2: Convert to fraction form
    64,793.81/89,415.65 = 37,575.18/x
  3. Step 3: Cross multiply
    64,793.81x = 89,415.65 × 37,575.18
  4. Step 4: Simplify right side
    64,793.81x = 3,359,808,955.69
  5. Step 5: Solve for x
    x = 3,359,808,955.69/64,793.81
  6. Step 6: Final answer
    x = 51,853.86

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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.