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Finding the Fourth Proportional to 35,392.53, 53,051.78 and 13,196.25

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Solution

The fourth proportional to 35,392.53, 53,051.78 and 13,196.25 is: 19,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.53 : 53,051.78 = 13,196.25 : x
  2. Step 2: Convert to fraction form
    35,392.53/53,051.78 = 13,196.25/x
  3. Step 3: Cross multiply
    35,392.53x = 53,051.78 × 13,196.25
  4. Step 4: Simplify right side
    35,392.53x = 700,084,485.84
  5. Step 5: Solve for x
    x = 700,084,485.84/35,392.53
  6. Step 6: Final answer
    x = 19,780.57

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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.