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Finding the Fourth Proportional to 64,484.15, 88,988.49 and 35,804.21

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Solution

The fourth proportional to 64,484.15, 88,988.49 and 35,804.21 is: 49,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.15 : 88,988.49 = 35,804.21 : x
  2. Step 2: Convert to fraction form
    64,484.15/88,988.49 = 35,804.21/x
  3. Step 3: Cross multiply
    64,484.15x = 88,988.49 × 35,804.21
  4. Step 4: Simplify right side
    64,484.15x = 3,186,162,138.60
  5. Step 5: Solve for x
    x = 3,186,162,138.60/64,484.15
  6. Step 6: Final answer
    x = 49,410.01

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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.