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Finding the Fourth Proportional to 58,345.66, 80,518.94 and 35,694.72

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Solution

The fourth proportional to 58,345.66, 80,518.94 and 35,694.72 is: 49,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.66 : 80,518.94 = 35,694.72 : x
  2. Step 2: Convert to fraction form
    58,345.66/80,518.94 = 35,694.72/x
  3. Step 3: Cross multiply
    58,345.66x = 80,518.94 × 35,694.72
  4. Step 4: Simplify right side
    58,345.66x = 2,874,100,839.52
  5. Step 5: Solve for x
    x = 2,874,100,839.52/58,345.66
  6. Step 6: Final answer
    x = 49,259.89

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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.