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Finding the Fourth Proportional to 64,854.48, 97,247.91 and 30,624.51

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Solution

The fourth proportional to 64,854.48, 97,247.91 and 30,624.51 is: 45,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,854.48 : 97,247.91 = 30,624.51 : x
  2. Step 2: Convert to fraction form
    64,854.48/97,247.91 = 30,624.51/x
  3. Step 3: Cross multiply
    64,854.48x = 97,247.91 × 30,624.51
  4. Step 4: Simplify right side
    64,854.48x = 2,978,169,592.27
  5. Step 5: Solve for x
    x = 2,978,169,592.27/64,854.48
  6. Step 6: Final answer
    x = 45,920.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.