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Finding the Fourth Proportional to 64,784.81, 97,182.79 and 18,037.69

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Solution

The fourth proportional to 64,784.81, 97,182.79 and 18,037.69 is: 27,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,784.81 : 97,182.79 = 18,037.69 : x
  2. Step 2: Convert to fraction form
    64,784.81/97,182.79 = 18,037.69/x
  3. Step 3: Cross multiply
    64,784.81x = 97,182.79 × 18,037.69
  4. Step 4: Simplify right side
    64,784.81x = 1,752,952,751.30
  5. Step 5: Solve for x
    x = 1,752,952,751.30/64,784.81
  6. Step 6: Final answer
    x = 27,058.08

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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.