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Finding the Fourth Proportional to 58,874.77, 81,245.38 and 33,383.47

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Solution

The fourth proportional to 58,874.77, 81,245.38 and 33,383.47 is: 46,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.77 : 81,245.38 = 33,383.47 : x
  2. Step 2: Convert to fraction form
    58,874.77/81,245.38 = 33,383.47/x
  3. Step 3: Cross multiply
    58,874.77x = 81,245.38 × 33,383.47
  4. Step 4: Simplify right side
    58,874.77x = 2,712,252,705.87
  5. Step 5: Solve for x
    x = 2,712,252,705.87/58,874.77
  6. Step 6: Final answer
    x = 46,068.17

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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.