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Finding the Fourth Proportional to 35,505.41, 53,265.40 and 14,445.40

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Solution

The fourth proportional to 35,505.41, 53,265.40 and 14,445.40 is: 21,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.41 : 53,265.40 = 14,445.40 : x
  2. Step 2: Convert to fraction form
    35,505.41/53,265.40 = 14,445.40/x
  3. Step 3: Cross multiply
    35,505.41x = 53,265.40 × 14,445.40
  4. Step 4: Simplify right side
    35,505.41x = 769,440,009.16
  5. Step 5: Solve for x
    x = 769,440,009.16/35,505.41
  6. Step 6: Final answer
    x = 21,671.06

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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.