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Finding the Fourth Proportional to 32,996.29, 45,522.95 and 21,671.93

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Solution

The fourth proportional to 32,996.29, 45,522.95 and 21,671.93 is: 29,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,996.29 : 45,522.95 = 21,671.93 : x
  2. Step 2: Convert to fraction form
    32,996.29/45,522.95 = 21,671.93/x
  3. Step 3: Cross multiply
    32,996.29x = 45,522.95 × 21,671.93
  4. Step 4: Simplify right side
    32,996.29x = 986,569,931.09
  5. Step 5: Solve for x
    x = 986,569,931.09/32,996.29
  6. Step 6: Final answer
    x = 29,899.42

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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.