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Finding the Fourth Proportional to 49,774.90, 74,673.42 and 18,184.90

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Solution

The fourth proportional to 49,774.90, 74,673.42 and 18,184.90 is: 27,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.90 : 74,673.42 = 18,184.90 : x
  2. Step 2: Convert to fraction form
    49,774.90/74,673.42 = 18,184.90/x
  3. Step 3: Cross multiply
    49,774.90x = 74,673.42 × 18,184.90
  4. Step 4: Simplify right side
    49,774.90x = 1,357,928,675.36
  5. Step 5: Solve for x
    x = 1,357,928,675.36/49,774.90
  6. Step 6: Final answer
    x = 27,281.39

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1.5x scale

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.