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Finding the Fourth Proportional to 29,642.76, 44,476.62 and 12,994.20

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Solution

The fourth proportional to 29,642.76, 44,476.62 and 12,994.20 is: 19,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.76 : 44,476.62 = 12,994.20 : x
  2. Step 2: Convert to fraction form
    29,642.76/44,476.62 = 12,994.20/x
  3. Step 3: Cross multiply
    29,642.76x = 44,476.62 × 12,994.20
  4. Step 4: Simplify right side
    29,642.76x = 577,938,095.60
  5. Step 5: Solve for x
    x = 577,938,095.60/29,642.76
  6. Step 6: Final answer
    x = 19,496.77

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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.