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Finding the Fourth Proportional to 35,684.71, 53,537.87 and 13,504.89

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Solution

The fourth proportional to 35,684.71, 53,537.87 and 13,504.89 is: 20,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.71 : 53,537.87 = 13,504.89 : x
  2. Step 2: Convert to fraction form
    35,684.71/53,537.87 = 13,504.89/x
  3. Step 3: Cross multiply
    35,684.71x = 53,537.87 × 13,504.89
  4. Step 4: Simplify right side
    35,684.71x = 723,023,045.18
  5. Step 5: Solve for x
    x = 723,023,045.18/35,684.71
  6. Step 6: Final answer
    x = 20,261.42

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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.