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Finding the Fourth Proportional to 48,830.60, 73,245.90 and 46,411.40

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Solution

The fourth proportional to 48,830.60, 73,245.90 and 46,411.40 is: 69,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.60 : 73,245.90 = 46,411.40 : x
  2. Step 2: Convert to fraction form
    48,830.60/73,245.90 = 46,411.40/x
  3. Step 3: Cross multiply
    48,830.60x = 73,245.90 × 46,411.40
  4. Step 4: Simplify right side
    48,830.60x = 3,399,444,763.26
  5. Step 5: Solve for x
    x = 3,399,444,763.26/48,830.60
  6. Step 6: Final answer
    x = 69,617.10

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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.