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Finding the Fourth Proportional to 64,209.93, 88,631.57 and 37,374.99

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Solution

The fourth proportional to 64,209.93, 88,631.57 and 37,374.99 is: 51,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.93 : 88,631.57 = 37,374.99 : x
  2. Step 2: Convert to fraction form
    64,209.93/88,631.57 = 37,374.99/x
  3. Step 3: Cross multiply
    64,209.93x = 88,631.57 × 37,374.99
  4. Step 4: Simplify right side
    64,209.93x = 3,312,604,052.78
  5. Step 5: Solve for x
    x = 3,312,604,052.78/64,209.93
  6. Step 6: Final answer
    x = 51,590.21

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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.