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Finding the Fourth Proportional to 7,154.94, 9,873.27 and 4,010.70

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Solution

The fourth proportional to 7,154.94, 9,873.27 and 4,010.70 is: 5,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.94 : 9,873.27 = 4,010.70 : x
  2. Step 2: Convert to fraction form
    7,154.94/9,873.27 = 4,010.70/x
  3. Step 3: Cross multiply
    7,154.94x = 9,873.27 × 4,010.70
  4. Step 4: Simplify right side
    7,154.94x = 39,598,723.99
  5. Step 5: Solve for x
    x = 39,598,723.99/7,154.94
  6. Step 6: Final answer
    x = 5,534.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.