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Finding the Fourth Proportional to 58,060.17, 87,129.09 and 21,124.17

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Solution

The fourth proportional to 58,060.17, 87,129.09 and 21,124.17 is: 31,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,060.17 : 87,129.09 = 21,124.17 : x
  2. Step 2: Convert to fraction form
    58,060.17/87,129.09 = 21,124.17/x
  3. Step 3: Cross multiply
    58,060.17x = 87,129.09 × 21,124.17
  4. Step 4: Simplify right side
    58,060.17x = 1,840,529,709.11
  5. Step 5: Solve for x
    x = 1,840,529,709.11/58,060.17
  6. Step 6: Final answer
    x = 31,700.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.