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Finding the Fourth Proportional to 61,106.40, 91,484.64 and 37,574.28

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Solution

The fourth proportional to 61,106.40, 91,484.64 and 37,574.28 is: 56,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,106.40 : 91,484.64 = 37,574.28 : x
  2. Step 2: Convert to fraction form
    61,106.40/91,484.64 = 37,574.28/x
  3. Step 3: Cross multiply
    61,106.40x = 91,484.64 × 37,574.28
  4. Step 4: Simplify right side
    61,106.40x = 3,437,469,479.06
  5. Step 5: Solve for x
    x = 3,437,469,479.06/61,106.40
  6. Step 6: Final answer
    x = 56,253.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.