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Finding the Fourth Proportional to 58,276.80, 80,419.68 and 33,124.80

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Solution

The fourth proportional to 58,276.80, 80,419.68 and 33,124.80 is: 45,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.80 : 80,419.68 = 33,124.80 : x
  2. Step 2: Convert to fraction form
    58,276.80/80,419.68 = 33,124.80/x
  3. Step 3: Cross multiply
    58,276.80x = 80,419.68 × 33,124.80
  4. Step 4: Simplify right side
    58,276.80x = 2,663,885,816.06
  5. Step 5: Solve for x
    x = 2,663,885,816.06/58,276.80
  6. Step 6: Final answer
    x = 45,710.91

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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.