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Finding the Fourth Proportional to 58,172.48, 80,285.57 and 35,506.76

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Solution

The fourth proportional to 58,172.48, 80,285.57 and 35,506.76 is: 49,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.48 : 80,285.57 = 35,506.76 : x
  2. Step 2: Convert to fraction form
    58,172.48/80,285.57 = 35,506.76/x
  3. Step 3: Cross multiply
    58,172.48x = 80,285.57 × 35,506.76
  4. Step 4: Simplify right side
    58,172.48x = 2,850,679,886.49
  5. Step 5: Solve for x
    x = 2,850,679,886.49/58,172.48
  6. Step 6: Final answer
    x = 49,003.93

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1.5x scale

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.