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Finding the Fourth Proportional to 67,608.16, 93,302.76 and 38,932.08

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Solution

The fourth proportional to 67,608.16, 93,302.76 and 38,932.08 is: 53,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,608.16 : 93,302.76 = 38,932.08 : x
  2. Step 2: Convert to fraction form
    67,608.16/93,302.76 = 38,932.08/x
  3. Step 3: Cross multiply
    67,608.16x = 93,302.76 × 38,932.08
  4. Step 4: Simplify right side
    67,608.16x = 3,632,470,516.54
  5. Step 5: Solve for x
    x = 3,632,470,516.54/67,608.16
  6. Step 6: Final answer
    x = 53,728.29

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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.