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Finding the Fourth Proportional to 35,403.60, 53,093.16 and 15,695.94

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Solution

The fourth proportional to 35,403.60, 53,093.16 and 15,695.94 is: 23,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.60 : 53,093.16 = 15,695.94 : x
  2. Step 2: Convert to fraction form
    35,403.60/53,093.16 = 15,695.94/x
  3. Step 3: Cross multiply
    35,403.60x = 53,093.16 × 15,695.94
  4. Step 4: Simplify right side
    35,403.60x = 833,347,053.77
  5. Step 5: Solve for x
    x = 833,347,053.77/35,403.60
  6. Step 6: Final answer
    x = 23,538.48

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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.