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Finding the Fourth Proportional to 66,351.51, 99,526.62 and 26,899.23

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Solution

The fourth proportional to 66,351.51, 99,526.62 and 26,899.23 is: 40,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,351.51 : 99,526.62 = 26,899.23 : x
  2. Step 2: Convert to fraction form
    66,351.51/99,526.62 = 26,899.23/x
  3. Step 3: Cross multiply
    66,351.51x = 99,526.62 × 26,899.23
  4. Step 4: Simplify right side
    66,351.51x = 2,677,189,442.50
  5. Step 5: Solve for x
    x = 2,677,189,442.50/66,351.51
  6. Step 6: Final answer
    x = 40,348.58

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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.