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Finding the Fourth Proportional to 58,738, 81,021.56 and 34,847.76

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Solution

The fourth proportional to 58,738, 81,021.56 and 34,847.76 is: 48,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738 : 81,021.56 = 34,847.76 : x
  2. Step 2: Convert to fraction form
    58,738/81,021.56 = 34,847.76/x
  3. Step 3: Cross multiply
    58,738x = 81,021.56 × 34,847.76
  4. Step 4: Simplify right side
    58,738x = 2,823,419,877.71
  5. Step 5: Solve for x
    x = 2,823,419,877.71/58,738
  6. Step 6: Final answer
    x = 48,068.03

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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.