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Finding the Fourth Proportional to 64,819.06, 97,228.62 and 15,571.06

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Solution

The fourth proportional to 64,819.06, 97,228.62 and 15,571.06 is: 23,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.06 : 97,228.62 = 15,571.06 : x
  2. Step 2: Convert to fraction form
    64,819.06/97,228.62 = 15,571.06/x
  3. Step 3: Cross multiply
    64,819.06x = 97,228.62 × 15,571.06
  4. Step 4: Simplify right side
    64,819.06x = 1,513,952,675.74
  5. Step 5: Solve for x
    x = 1,513,952,675.74/64,819.06
  6. Step 6: Final answer
    x = 23,356.60

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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.