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Finding the Fourth Proportional to 60,931, 84,096.30 and 34,435

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Solution

The fourth proportional to 60,931, 84,096.30 and 34,435 is: 47,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,931 : 84,096.30 = 34,435 : x
  2. Step 2: Convert to fraction form
    60,931/84,096.30 = 34,435/x
  3. Step 3: Cross multiply
    60,931x = 84,096.30 × 34,435
  4. Step 4: Simplify right side
    60,931x = 2,895,856,090.50
  5. Step 5: Solve for x
    x = 2,895,856,090.50/60,931
  6. Step 6: Final answer
    x = 47,526.81

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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.