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Finding the Fourth Proportional to 56,340.74, 84,504.71 and 14,790.98

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Solution

The fourth proportional to 56,340.74, 84,504.71 and 14,790.98 is: 22,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.74 : 84,504.71 = 14,790.98 : x
  2. Step 2: Convert to fraction form
    56,340.74/84,504.71 = 14,790.98/x
  3. Step 3: Cross multiply
    56,340.74x = 84,504.71 × 14,790.98
  4. Step 4: Simplify right side
    56,340.74x = 1,249,907,475.52
  5. Step 5: Solve for x
    x = 1,249,907,475.52/56,340.74
  6. Step 6: Final answer
    x = 22,184.79

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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.