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Finding the Fourth Proportional to 35,350.40, 53,024.38 and 9,055.40

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Solution

The fourth proportional to 35,350.40, 53,024.38 and 9,055.40 is: 13,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,350.40 : 53,024.38 = 9,055.40 : x
  2. Step 2: Convert to fraction form
    35,350.40/53,024.38 = 9,055.40/x
  3. Step 3: Cross multiply
    35,350.40x = 53,024.38 × 9,055.40
  4. Step 4: Simplify right side
    35,350.40x = 480,156,970.65
  5. Step 5: Solve for x
    x = 480,156,970.65/35,350.40
  6. Step 6: Final answer
    x = 13,582.79

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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.