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Finding the Fourth Proportional to 58,718.50, 81,031.53 and 33,568.54

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Solution

The fourth proportional to 58,718.50, 81,031.53 and 33,568.54 is: 46,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,718.50 : 81,031.53 = 33,568.54 : x
  2. Step 2: Convert to fraction form
    58,718.50/81,031.53 = 33,568.54/x
  3. Step 3: Cross multiply
    58,718.50x = 81,031.53 × 33,568.54
  4. Step 4: Simplify right side
    58,718.50x = 2,720,110,156.07
  5. Step 5: Solve for x
    x = 2,720,110,156.07/58,718.50
  6. Step 6: Final answer
    x = 46,324.59

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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.