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Finding the Fourth Proportional to 64,484.16, 88,984.11 and 35,802.15

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Solution

The fourth proportional to 64,484.16, 88,984.11 and 35,802.15 is: 49,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.16 : 88,984.11 = 35,802.15 : x
  2. Step 2: Convert to fraction form
    64,484.16/88,984.11 = 35,802.15/x
  3. Step 3: Cross multiply
    64,484.16x = 88,984.11 × 35,802.15
  4. Step 4: Simplify right side
    64,484.16x = 3,185,822,453.84
  5. Step 5: Solve for x
    x = 3,185,822,453.84/64,484.16
  6. Step 6: Final answer
    x = 49,404.73

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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.