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Finding the Fourth Proportional to 48,784.60, 73,176.90 and 29,085.40

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Solution

The fourth proportional to 48,784.60, 73,176.90 and 29,085.40 is: 43,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,784.60 : 73,176.90 = 29,085.40 : x
  2. Step 2: Convert to fraction form
    48,784.60/73,176.90 = 29,085.40/x
  3. Step 3: Cross multiply
    48,784.60x = 73,176.90 × 29,085.40
  4. Step 4: Simplify right side
    48,784.60x = 2,128,379,407.26
  5. Step 5: Solve for x
    x = 2,128,379,407.26/48,784.60
  6. Step 6: Final answer
    x = 43,628.10

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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.