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Finding the Fourth Proportional to 35,358.72, 53,036.16 and 19,741.44

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Solution

The fourth proportional to 35,358.72, 53,036.16 and 19,741.44 is: 29,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.72 : 53,036.16 = 19,741.44 : x
  2. Step 2: Convert to fraction form
    35,358.72/53,036.16 = 19,741.44/x
  3. Step 3: Cross multiply
    35,358.72x = 53,036.16 × 19,741.44
  4. Step 4: Simplify right side
    35,358.72x = 1,047,010,170.47
  5. Step 5: Solve for x
    x = 1,047,010,170.47/35,358.72
  6. Step 6: Final answer
    x = 29,611.09

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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.