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Finding the Fourth Proportional to 63,047.60, 94,571.40 and 31,943.60

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Solution

The fourth proportional to 63,047.60, 94,571.40 and 31,943.60 is: 47,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,047.60 : 94,571.40 = 31,943.60 : x
  2. Step 2: Convert to fraction form
    63,047.60/94,571.40 = 31,943.60/x
  3. Step 3: Cross multiply
    63,047.60x = 94,571.40 × 31,943.60
  4. Step 4: Simplify right side
    63,047.60x = 3,020,950,973.04
  5. Step 5: Solve for x
    x = 3,020,950,973.04/63,047.60
  6. Step 6: Final answer
    x = 47,915.40

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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.