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Finding the Fourth Proportional to 64,809.10, 97,201.65 and 18,052.30

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Solution

The fourth proportional to 64,809.10, 97,201.65 and 18,052.30 is: 27,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,809.10 : 97,201.65 = 18,052.30 : x
  2. Step 2: Convert to fraction form
    64,809.10/97,201.65 = 18,052.30/x
  3. Step 3: Cross multiply
    64,809.10x = 97,201.65 × 18,052.30
  4. Step 4: Simplify right side
    64,809.10x = 1,754,713,346.30
  5. Step 5: Solve for x
    x = 1,754,713,346.30/64,809.10
  6. Step 6: Final answer
    x = 27,075.11

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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.