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Finding the Fourth Proportional to 62,509.68, 86,263.90 and 35,653.55

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Solution

The fourth proportional to 62,509.68, 86,263.90 and 35,653.55 is: 49,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,509.68 : 86,263.90 = 35,653.55 : x
  2. Step 2: Convert to fraction form
    62,509.68/86,263.90 = 35,653.55/x
  3. Step 3: Cross multiply
    62,509.68x = 86,263.90 × 35,653.55
  4. Step 4: Simplify right side
    62,509.68x = 3,075,613,927.16
  5. Step 5: Solve for x
    x = 3,075,613,927.16/62,509.68
  6. Step 6: Final answer
    x = 49,202.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.