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Finding the Fourth Proportional to 64,248.96, 96,374.72 and 17,503.04

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Solution

The fourth proportional to 64,248.96, 96,374.72 and 17,503.04 is: 26,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,248.96 : 96,374.72 = 17,503.04 : x
  2. Step 2: Convert to fraction form
    64,248.96/96,374.72 = 17,503.04/x
  3. Step 3: Cross multiply
    64,248.96x = 96,374.72 × 17,503.04
  4. Step 4: Simplify right side
    64,248.96x = 1,686,850,579.15
  5. Step 5: Solve for x
    x = 1,686,850,579.15/64,248.96
  6. Step 6: Final answer
    x = 26,254.91

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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.