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Finding the Fourth Proportional to 35,405.60, 53,096.16 and 15,697.94

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Solution

The fourth proportional to 35,405.60, 53,096.16 and 15,697.94 is: 23,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.60 : 53,096.16 = 15,697.94 : x
  2. Step 2: Convert to fraction form
    35,405.60/53,096.16 = 15,697.94/x
  3. Step 3: Cross multiply
    35,405.60x = 53,096.16 × 15,697.94
  4. Step 4: Simplify right side
    35,405.60x = 833,500,333.91
  5. Step 5: Solve for x
    x = 833,500,333.91/35,405.60
  6. Step 6: Final answer
    x = 23,541.48

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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.