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Finding the Fourth Proportional to 76,033.52, 104,926.68 and 42,499.52

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Solution

The fourth proportional to 76,033.52, 104,926.68 and 42,499.52 is: 58,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033.52 : 104,926.68 = 42,499.52 : x
  2. Step 2: Convert to fraction form
    76,033.52/104,926.68 = 42,499.52/x
  3. Step 3: Cross multiply
    76,033.52x = 104,926.68 × 42,499.52
  4. Step 4: Simplify right side
    76,033.52x = 4,459,333,535.19
  5. Step 5: Solve for x
    x = 4,459,333,535.19/76,033.52
  6. Step 6: Final answer
    x = 58,649.57

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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.