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Finding the Fourth Proportional to 28,583.43, 42,866.06 and 26,717.67

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Solution

The fourth proportional to 28,583.43, 42,866.06 and 26,717.67 is: 40,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.43 : 42,866.06 = 26,717.67 : x
  2. Step 2: Convert to fraction form
    28,583.43/42,866.06 = 26,717.67/x
  3. Step 3: Cross multiply
    28,583.43x = 42,866.06 × 26,717.67
  4. Step 4: Simplify right side
    28,583.43x = 1,145,281,111.69
  5. Step 5: Solve for x
    x = 1,145,281,111.69/28,583.43
  6. Step 6: Final answer
    x = 40,068.01

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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.