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Finding the Fourth Proportional to 66,380.99, 99,567.83 and 26,927.51

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Solution

The fourth proportional to 66,380.99, 99,567.83 and 26,927.51 is: 40,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,380.99 : 99,567.83 = 26,927.51 : x
  2. Step 2: Convert to fraction form
    66,380.99/99,567.83 = 26,927.51/x
  3. Step 3: Cross multiply
    66,380.99x = 99,567.83 × 26,927.51
  4. Step 4: Simplify right side
    66,380.99x = 2,681,113,307.48
  5. Step 5: Solve for x
    x = 2,681,113,307.48/66,380.99
  6. Step 6: Final answer
    x = 40,389.78

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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.