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Finding the Fourth Proportional to 66,887.47, 100,341.59 and 22,510.76

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Solution

The fourth proportional to 66,887.47, 100,341.59 and 22,510.76 is: 33,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.47 : 100,341.59 = 22,510.76 : x
  2. Step 2: Convert to fraction form
    66,887.47/100,341.59 = 22,510.76/x
  3. Step 3: Cross multiply
    66,887.47x = 100,341.59 × 22,510.76
  4. Step 4: Simplify right side
    66,887.47x = 2,258,765,400.67
  5. Step 5: Solve for x
    x = 2,258,765,400.67/66,887.47
  6. Step 6: Final answer
    x = 33,769.63

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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.