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Finding the Fourth Proportional to 9,994.91, 14,986.85 and 4,070.28

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Solution

The fourth proportional to 9,994.91, 14,986.85 and 4,070.28 is: 6,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.91 : 14,986.85 = 4,070.28 : x
  2. Step 2: Convert to fraction form
    9,994.91/14,986.85 = 4,070.28/x
  3. Step 3: Cross multiply
    9,994.91x = 14,986.85 × 4,070.28
  4. Step 4: Simplify right side
    9,994.91x = 61,000,675.82
  5. Step 5: Solve for x
    x = 61,000,675.82/9,994.91
  6. Step 6: Final answer
    x = 6,103.17

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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.