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Finding the Fourth Proportional to 58,175.49, 80,289.72 and 35,509.74

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Solution

The fourth proportional to 58,175.49, 80,289.72 and 35,509.74 is: 49,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.49 : 80,289.72 = 35,509.74 : x
  2. Step 2: Convert to fraction form
    58,175.49/80,289.72 = 35,509.74/x
  3. Step 3: Cross multiply
    58,175.49x = 80,289.72 × 35,509.74
  4. Step 4: Simplify right side
    58,175.49x = 2,851,067,081.87
  5. Step 5: Solve for x
    x = 2,851,067,081.87/58,175.49
  6. Step 6: Final answer
    x = 49,008.05

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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.