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Finding the Fourth Proportional to 35,608.41, 53,412.48 and 14,543.91

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Solution

The fourth proportional to 35,608.41, 53,412.48 and 14,543.91 is: 21,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.41 : 53,412.48 = 14,543.91 : x
  2. Step 2: Convert to fraction form
    35,608.41/53,412.48 = 14,543.91/x
  3. Step 3: Cross multiply
    35,608.41x = 53,412.48 × 14,543.91
  4. Step 4: Simplify right side
    35,608.41x = 776,826,302.00
  5. Step 5: Solve for x
    x = 776,826,302.00/35,608.41
  6. Step 6: Final answer
    x = 21,815.81

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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.