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Finding the Fourth Proportional to 10,059.66, 15,053.82 and 7,420.92

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Solution

The fourth proportional to 10,059.66, 15,053.82 and 7,420.92 is: 11,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.66 : 15,053.82 = 7,420.92 : x
  2. Step 2: Convert to fraction form
    10,059.66/15,053.82 = 7,420.92/x
  3. Step 3: Cross multiply
    10,059.66x = 15,053.82 × 7,420.92
  4. Step 4: Simplify right side
    10,059.66x = 111,713,193.91
  5. Step 5: Solve for x
    x = 111,713,193.91/10,059.66
  6. Step 6: Final answer
    x = 11,105.07

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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.