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Finding the Fourth Proportional to 64,384.63, 96,562.18 and 17,641.15

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Solution

The fourth proportional to 64,384.63, 96,562.18 and 17,641.15 is: 26,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384.63 : 96,562.18 = 17,641.15 : x
  2. Step 2: Convert to fraction form
    64,384.63/96,562.18 = 17,641.15/x
  3. Step 3: Cross multiply
    64,384.63x = 96,562.18 × 17,641.15
  4. Step 4: Simplify right side
    64,384.63x = 1,703,467,901.71
  5. Step 5: Solve for x
    x = 1,703,467,901.71/64,384.63
  6. Step 6: Final answer
    x = 26,457.68

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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.