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Finding the Fourth Proportional to 64,898.30, 89,544.02 and 44,748.74

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Solution

The fourth proportional to 64,898.30, 89,544.02 and 44,748.74 is: 61,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.30 : 89,544.02 = 44,748.74 : x
  2. Step 2: Convert to fraction form
    64,898.30/89,544.02 = 44,748.74/x
  3. Step 3: Cross multiply
    64,898.30x = 89,544.02 × 44,748.74
  4. Step 4: Simplify right side
    64,898.30x = 4,006,982,069.53
  5. Step 5: Solve for x
    x = 4,006,982,069.53/64,898.30
  6. Step 6: Final answer
    x = 61,742.48

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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.