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Finding the Fourth Proportional to 35,440.56, 53,144.91 and 10,471.91

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Solution

The fourth proportional to 35,440.56, 53,144.91 and 10,471.91 is: 15,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.56 : 53,144.91 = 10,471.91 : x
  2. Step 2: Convert to fraction form
    35,440.56/53,144.91 = 10,471.91/x
  3. Step 3: Cross multiply
    35,440.56x = 53,144.91 × 10,471.91
  4. Step 4: Simplify right side
    35,440.56x = 556,528,448.75
  5. Step 5: Solve for x
    x = 556,528,448.75/35,440.56
  6. Step 6: Final answer
    x = 15,703.15

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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.