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Finding the Fourth Proportional to 61,624.68, 85,041.81 and 33,330.39

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Solution

The fourth proportional to 61,624.68, 85,041.81 and 33,330.39 is: 45,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,624.68 : 85,041.81 = 33,330.39 : x
  2. Step 2: Convert to fraction form
    61,624.68/85,041.81 = 33,330.39/x
  3. Step 3: Cross multiply
    61,624.68x = 85,041.81 × 33,330.39
  4. Step 4: Simplify right side
    61,624.68x = 2,834,476,693.61
  5. Step 5: Solve for x
    x = 2,834,476,693.61/61,624.68
  6. Step 6: Final answer
    x = 45,995.80

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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.