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Finding the Fourth Proportional to 50,941, 70,305.06 and 28,585

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Solution

The fourth proportional to 50,941, 70,305.06 and 28,585 is: 39,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,941 : 70,305.06 = 28,585 : x
  2. Step 2: Convert to fraction form
    50,941/70,305.06 = 28,585/x
  3. Step 3: Cross multiply
    50,941x = 70,305.06 × 28,585
  4. Step 4: Simplify right side
    50,941x = 2,009,670,140.10
  5. Step 5: Solve for x
    x = 2,009,670,140.10/50,941
  6. Step 6: Final answer
    x = 39,450.94

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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.