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Finding the Fourth Proportional to 62,042.94, 85,623.72 and 35,187.78

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Solution

The fourth proportional to 62,042.94, 85,623.72 and 35,187.78 is: 48,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,042.94 : 85,623.72 = 35,187.78 : x
  2. Step 2: Convert to fraction form
    62,042.94/85,623.72 = 35,187.78/x
  3. Step 3: Cross multiply
    62,042.94x = 85,623.72 × 35,187.78
  4. Step 4: Simplify right side
    62,042.94x = 3,012,908,622.14
  5. Step 5: Solve for x
    x = 3,012,908,622.14/62,042.94
  6. Step 6: Final answer
    x = 48,561.67

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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.