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Finding the Fourth Proportional to 27,795.70, 41,693.55 and 7,019.20

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Solution

The fourth proportional to 27,795.70, 41,693.55 and 7,019.20 is: 10,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.70 : 41,693.55 = 7,019.20 : x
  2. Step 2: Convert to fraction form
    27,795.70/41,693.55 = 7,019.20/x
  3. Step 3: Cross multiply
    27,795.70x = 41,693.55 × 7,019.20
  4. Step 4: Simplify right side
    27,795.70x = 292,655,366.16
  5. Step 5: Solve for x
    x = 292,655,366.16/27,795.70
  6. Step 6: Final answer
    x = 10,528.80

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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.