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Finding the Fourth Proportional to 63,104.60, 94,527.30 and 31,957.40

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Solution

The fourth proportional to 63,104.60, 94,527.30 and 31,957.40 is: 47,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.60 : 94,527.30 = 31,957.40 : x
  2. Step 2: Convert to fraction form
    63,104.60/94,527.30 = 31,957.40/x
  3. Step 3: Cross multiply
    63,104.60x = 94,527.30 × 31,957.40
  4. Step 4: Simplify right side
    63,104.60x = 3,020,846,737.02
  5. Step 5: Solve for x
    x = 3,020,846,737.02/63,104.60
  6. Step 6: Final answer
    x = 47,870.47

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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.