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Finding the Fourth Proportional to 19,066.98, 28,602.12 and 5,026.91

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Solution

The fourth proportional to 19,066.98, 28,602.12 and 5,026.91 is: 7,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.98 : 28,602.12 = 5,026.91 : x
  2. Step 2: Convert to fraction form
    19,066.98/28,602.12 = 5,026.91/x
  3. Step 3: Cross multiply
    19,066.98x = 28,602.12 × 5,026.91
  4. Step 4: Simplify right side
    19,066.98x = 143,780,283.05
  5. Step 5: Solve for x
    x = 143,780,283.05/19,066.98
  6. Step 6: Final answer
    x = 7,540.80

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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.