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Finding the Fourth Proportional to 91,572.33, 126,363.69 and 50,733.71

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Solution

The fourth proportional to 91,572.33, 126,363.69 and 50,733.71 is: 70,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,572.33 : 126,363.69 = 50,733.71 : x
  2. Step 2: Convert to fraction form
    91,572.33/126,363.69 = 50,733.71/x
  3. Step 3: Cross multiply
    91,572.33x = 126,363.69 × 50,733.71
  4. Step 4: Simplify right side
    91,572.33x = 6,410,898,802.99
  5. Step 5: Solve for x
    x = 6,410,898,802.99/91,572.33
  6. Step 6: Final answer
    x = 70,009.13

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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.