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Finding the Fourth Proportional to 61,240.70, 84,507 and 37,050.68

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Solution

The fourth proportional to 61,240.70, 84,507 and 37,050.68 is: 51,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240.70 : 84,507 = 37,050.68 : x
  2. Step 2: Convert to fraction form
    61,240.70/84,507 = 37,050.68/x
  3. Step 3: Cross multiply
    61,240.70x = 84,507 × 37,050.68
  4. Step 4: Simplify right side
    61,240.70x = 3,131,041,814.76
  5. Step 5: Solve for x
    x = 3,131,041,814.76/61,240.70
  6. Step 6: Final answer
    x = 51,126.81

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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.