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Finding the Fourth Proportional to 18,577.56, 27,866.04 and 7,483.95

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Solution

The fourth proportional to 18,577.56, 27,866.04 and 7,483.95 is: 11,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.56 : 27,866.04 = 7,483.95 : x
  2. Step 2: Convert to fraction form
    18,577.56/27,866.04 = 7,483.95/x
  3. Step 3: Cross multiply
    18,577.56x = 27,866.04 × 7,483.95
  4. Step 4: Simplify right side
    18,577.56x = 208,548,050.06
  5. Step 5: Solve for x
    x = 208,548,050.06/18,577.56
  6. Step 6: Final answer
    x = 11,225.80

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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.