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Finding the Fourth Proportional to 63,056.95, 87,018.50 and 34,762.64

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Solution

The fourth proportional to 63,056.95, 87,018.50 and 34,762.64 is: 47,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,056.95 : 87,018.50 = 34,762.64 : x
  2. Step 2: Convert to fraction form
    63,056.95/87,018.50 = 34,762.64/x
  3. Step 3: Cross multiply
    63,056.95x = 87,018.50 × 34,762.64
  4. Step 4: Simplify right side
    63,056.95x = 3,024,992,440.65
  5. Step 5: Solve for x
    x = 3,024,992,440.65/63,056.95
  6. Step 6: Final answer
    x = 47,972.39

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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.