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Finding the Fourth Proportional to 8,994.42, 12,411.84 and 5,014.77

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Solution

The fourth proportional to 8,994.42, 12,411.84 and 5,014.77 is: 6,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.42 : 12,411.84 = 5,014.77 : x
  2. Step 2: Convert to fraction form
    8,994.42/12,411.84 = 5,014.77/x
  3. Step 3: Cross multiply
    8,994.42x = 12,411.84 × 5,014.77
  4. Step 4: Simplify right side
    8,994.42x = 62,242,495.14
  5. Step 5: Solve for x
    x = 62,242,495.14/8,994.42
  6. Step 6: Final answer
    x = 6,920.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.