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Finding the Fourth Proportional to 10,018.71, 15,035.79 and 9,504.81

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Solution

The fourth proportional to 10,018.71, 15,035.79 and 9,504.81 is: 14,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.71 : 15,035.79 = 9,504.81 : x
  2. Step 2: Convert to fraction form
    10,018.71/15,035.79 = 9,504.81/x
  3. Step 3: Cross multiply
    10,018.71x = 15,035.79 × 9,504.81
  4. Step 4: Simplify right side
    10,018.71x = 142,912,327.15
  5. Step 5: Solve for x
    x = 142,912,327.15/10,018.71
  6. Step 6: Final answer
    x = 14,264.54

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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.