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Finding the Fourth Proportional to 5,300.35, 7,950.53 and 1,837.60

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Solution

The fourth proportional to 5,300.35, 7,950.53 and 1,837.60 is: 2,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.35 : 7,950.53 = 1,837.60 : x
  2. Step 2: Convert to fraction form
    5,300.35/7,950.53 = 1,837.60/x
  3. Step 3: Cross multiply
    5,300.35x = 7,950.53 × 1,837.60
  4. Step 4: Simplify right side
    5,300.35x = 14,609,864.86
  5. Step 5: Solve for x
    x = 14,609,864.86/5,300.35
  6. Step 6: Final answer
    x = 2,756.40

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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.