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Finding the Fourth Proportional to 40,941.93, 60,990.35 and 39,702.93

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Solution

The fourth proportional to 40,941.93, 60,990.35 and 39,702.93 is: 59,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,941.93 : 60,990.35 = 39,702.93 : x
  2. Step 2: Convert to fraction form
    40,941.93/60,990.35 = 39,702.93/x
  3. Step 3: Cross multiply
    40,941.93x = 60,990.35 × 39,702.93
  4. Step 4: Simplify right side
    40,941.93x = 2,421,495,596.73
  5. Step 5: Solve for x
    x = 2,421,495,596.73/40,941.93
  6. Step 6: Final answer
    x = 59,144.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.