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Finding the Fourth Proportional to 50,795.61, 70,100.47 and 30,652.16

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Solution

The fourth proportional to 50,795.61, 70,100.47 and 30,652.16 is: 42,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,795.61 : 70,100.47 = 30,652.16 : x
  2. Step 2: Convert to fraction form
    50,795.61/70,100.47 = 30,652.16/x
  3. Step 3: Cross multiply
    50,795.61x = 70,100.47 × 30,652.16
  4. Step 4: Simplify right side
    50,795.61x = 2,148,730,510.33
  5. Step 5: Solve for x
    x = 2,148,730,510.33/50,795.61
  6. Step 6: Final answer
    x = 42,301.50

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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.