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Finding the Fourth Proportional to 58,670.40, 80,957.40 and 33,180.24

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Solution

The fourth proportional to 58,670.40, 80,957.40 and 33,180.24 is: 45,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670.40 : 80,957.40 = 33,180.24 : x
  2. Step 2: Convert to fraction form
    58,670.40/80,957.40 = 33,180.24/x
  3. Step 3: Cross multiply
    58,670.40x = 80,957.40 × 33,180.24
  4. Step 4: Simplify right side
    58,670.40x = 2,686,185,961.78
  5. Step 5: Solve for x
    x = 2,686,185,961.78/58,670.40
  6. Step 6: Final answer
    x = 45,784.35

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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.