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Finding the Fourth Proportional to 64,205.72, 88,599.08 and 35,905.94

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Solution

The fourth proportional to 64,205.72, 88,599.08 and 35,905.94 is: 49,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,205.72 : 88,599.08 = 35,905.94 : x
  2. Step 2: Convert to fraction form
    64,205.72/88,599.08 = 35,905.94/x
  3. Step 3: Cross multiply
    64,205.72x = 88,599.08 × 35,905.94
  4. Step 4: Simplify right side
    64,205.72x = 3,181,232,939.27
  5. Step 5: Solve for x
    x = 3,181,232,939.27/64,205.72
  6. Step 6: Final answer
    x = 49,547.50

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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.