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Finding the Fourth Proportional to 35,315.88, 53,020.12 and 23,681.16

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Solution

The fourth proportional to 35,315.88, 53,020.12 and 23,681.16 is: 35,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.88 : 53,020.12 = 23,681.16 : x
  2. Step 2: Convert to fraction form
    35,315.88/53,020.12 = 23,681.16/x
  3. Step 3: Cross multiply
    35,315.88x = 53,020.12 × 23,681.16
  4. Step 4: Simplify right side
    35,315.88x = 1,255,577,944.94
  5. Step 5: Solve for x
    x = 1,255,577,944.94/35,315.88
  6. Step 6: Final answer
    x = 35,552.79

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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.