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Finding the Fourth Proportional to 63,212.39, 94,762.90 and 25,803.90

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Solution

The fourth proportional to 63,212.39, 94,762.90 and 25,803.90 is: 38,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.39 : 94,762.90 = 25,803.90 : x
  2. Step 2: Convert to fraction form
    63,212.39/94,762.90 = 25,803.90/x
  3. Step 3: Cross multiply
    63,212.39x = 94,762.90 × 25,803.90
  4. Step 4: Simplify right side
    63,212.39x = 2,445,252,395.31
  5. Step 5: Solve for x
    x = 2,445,252,395.31/63,212.39
  6. Step 6: Final answer
    x = 38,683.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.