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Finding the Fourth Proportional to 38,803.92, 58,193.47 and 12,502.51

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Solution

The fourth proportional to 38,803.92, 58,193.47 and 12,502.51 is: 18,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.92 : 58,193.47 = 12,502.51 : x
  2. Step 2: Convert to fraction form
    38,803.92/58,193.47 = 12,502.51/x
  3. Step 3: Cross multiply
    38,803.92x = 58,193.47 × 12,502.51
  4. Step 4: Simplify right side
    38,803.92x = 727,564,440.61
  5. Step 5: Solve for x
    x = 727,564,440.61/38,803.92
  6. Step 6: Final answer
    x = 18,749.77

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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.