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Finding the Fourth Proportional to 64,820.73, 97,231.08 and 15,572.73

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Solution

The fourth proportional to 64,820.73, 97,231.08 and 15,572.73 is: 23,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.73 : 97,231.08 = 15,572.73 : x
  2. Step 2: Convert to fraction form
    64,820.73/97,231.08 = 15,572.73/x
  3. Step 3: Cross multiply
    64,820.73x = 97,231.08 × 15,572.73
  4. Step 4: Simplify right side
    64,820.73x = 1,514,153,356.45
  5. Step 5: Solve for x
    x = 1,514,153,356.45/64,820.73
  6. Step 6: Final answer
    x = 23,359.09

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Similar ratio
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1.5x scale

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.