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Finding the Fourth Proportional to 63,576, 87,730.56 and 35,283.24

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Solution

The fourth proportional to 63,576, 87,730.56 and 35,283.24 is: 48,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,576 : 87,730.56 = 35,283.24 : x
  2. Step 2: Convert to fraction form
    63,576/87,730.56 = 35,283.24/x
  3. Step 3: Cross multiply
    63,576x = 87,730.56 × 35,283.24
  4. Step 4: Simplify right side
    63,576x = 3,095,418,403.81
  5. Step 5: Solve for x
    x = 3,095,418,403.81/63,576
  6. Step 6: Final answer
    x = 48,688.47

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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.