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Finding the Fourth Proportional to 64,013.34, 88,343.40 and 35,723.28

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Solution

The fourth proportional to 64,013.34, 88,343.40 and 35,723.28 is: 49,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.34 : 88,343.40 = 35,723.28 : x
  2. Step 2: Convert to fraction form
    64,013.34/88,343.40 = 35,723.28/x
  3. Step 3: Cross multiply
    64,013.34x = 88,343.40 × 35,723.28
  4. Step 4: Simplify right side
    64,013.34x = 3,155,916,014.35
  5. Step 5: Solve for x
    x = 3,155,916,014.35/64,013.34
  6. Step 6: Final answer
    x = 49,300.91

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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.