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Finding the Fourth Proportional to 58,539.69, 80,764.86 and 33,043.05

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Solution

The fourth proportional to 58,539.69, 80,764.86 and 33,043.05 is: 45,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,539.69 : 80,764.86 = 33,043.05 : x
  2. Step 2: Convert to fraction form
    58,539.69/80,764.86 = 33,043.05/x
  3. Step 3: Cross multiply
    58,539.69x = 80,764.86 × 33,043.05
  4. Step 4: Simplify right side
    58,539.69x = 2,668,717,307.22
  5. Step 5: Solve for x
    x = 2,668,717,307.22/58,539.69
  6. Step 6: Final answer
    x = 45,588.17

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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.