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Finding the Fourth Proportional to 18,577.89, 27,867.75 and 7,483.08

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Solution

The fourth proportional to 18,577.89, 27,867.75 and 7,483.08 is: 11,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.89 : 27,867.75 = 7,483.08 : x
  2. Step 2: Convert to fraction form
    18,577.89/27,867.75 = 7,483.08/x
  3. Step 3: Cross multiply
    18,577.89x = 27,867.75 × 7,483.08
  4. Step 4: Simplify right side
    18,577.89x = 208,536,602.67
  5. Step 5: Solve for x
    x = 208,536,602.67/18,577.89
  6. Step 6: Final answer
    x = 11,224.99

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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.