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Finding the Fourth Proportional to 63,409.60, 87,504.38 and 34,728.94

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Solution

The fourth proportional to 63,409.60, 87,504.38 and 34,728.94 is: 47,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,409.60 : 87,504.38 = 34,728.94 : x
  2. Step 2: Convert to fraction form
    63,409.60/87,504.38 = 34,728.94/x
  3. Step 3: Cross multiply
    63,409.60x = 87,504.38 × 34,728.94
  4. Step 4: Simplify right side
    63,409.60x = 3,038,934,362.76
  5. Step 5: Solve for x
    x = 3,038,934,362.76/63,409.60
  6. Step 6: Final answer
    x = 47,925.46

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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.