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Finding the Fourth Proportional to 18,501.71, 25,533.03 and 10,543.73

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Solution

The fourth proportional to 18,501.71, 25,533.03 and 10,543.73 is: 14,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.71 : 25,533.03 = 10,543.73 : x
  2. Step 2: Convert to fraction form
    18,501.71/25,533.03 = 10,543.73/x
  3. Step 3: Cross multiply
    18,501.71x = 25,533.03 × 10,543.73
  4. Step 4: Simplify right side
    18,501.71x = 269,213,246.74
  5. Step 5: Solve for x
    x = 269,213,246.74/18,501.71
  6. Step 6: Final answer
    x = 14,550.73

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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.