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Finding the Fourth Proportional to 64,604.29, 89,156.88 and 35,926.90

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Solution

The fourth proportional to 64,604.29, 89,156.88 and 35,926.90 is: 49,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.29 : 89,156.88 = 35,926.90 : x
  2. Step 2: Convert to fraction form
    64,604.29/89,156.88 = 35,926.90/x
  3. Step 3: Cross multiply
    64,604.29x = 89,156.88 × 35,926.90
  4. Step 4: Simplify right side
    64,604.29x = 3,203,130,312.07
  5. Step 5: Solve for x
    x = 3,203,130,312.07/64,604.29
  6. Step 6: Final answer
    x = 49,580.77

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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.