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Finding the Fourth Proportional to 32,994.86, 45,490.07 and 21,037.43

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Solution

The fourth proportional to 32,994.86, 45,490.07 and 21,037.43 is: 29,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,994.86 : 45,490.07 = 21,037.43 : x
  2. Step 2: Convert to fraction form
    32,994.86/45,490.07 = 21,037.43/x
  3. Step 3: Cross multiply
    32,994.86x = 45,490.07 × 21,037.43
  4. Step 4: Simplify right side
    32,994.86x = 956,994,329.64
  5. Step 5: Solve for x
    x = 956,994,329.64/32,994.86
  6. Step 6: Final answer
    x = 29,004.35

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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.