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Finding the Fourth Proportional to 64,848.78, 97,272.93 and 15,600.78

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Solution

The fourth proportional to 64,848.78, 97,272.93 and 15,600.78 is: 23,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,848.78 : 97,272.93 = 15,600.78 : x
  2. Step 2: Convert to fraction form
    64,848.78/97,272.93 = 15,600.78/x
  3. Step 3: Cross multiply
    64,848.78x = 97,272.93 × 15,600.78
  4. Step 4: Simplify right side
    64,848.78x = 1,517,533,580.89
  5. Step 5: Solve for x
    x = 1,517,533,580.89/64,848.78
  6. Step 6: Final answer
    x = 23,401.11

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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.