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Finding the Fourth Proportional to 64,810.10, 97,203.15 and 18,053.30

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Solution

The fourth proportional to 64,810.10, 97,203.15 and 18,053.30 is: 27,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810.10 : 97,203.15 = 18,053.30 : x
  2. Step 2: Convert to fraction form
    64,810.10/97,203.15 = 18,053.30/x
  3. Step 3: Cross multiply
    64,810.10x = 97,203.15 × 18,053.30
  4. Step 4: Simplify right side
    64,810.10x = 1,754,837,627.90
  5. Step 5: Solve for x
    x = 1,754,837,627.90/64,810.10
  6. Step 6: Final answer
    x = 27,076.61

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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.