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Finding the Fourth Proportional to 7,681.66, 10,597.98 and 5,030.54

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Solution

The fourth proportional to 7,681.66, 10,597.98 and 5,030.54 is: 6,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.66 : 10,597.98 = 5,030.54 : x
  2. Step 2: Convert to fraction form
    7,681.66/10,597.98 = 5,030.54/x
  3. Step 3: Cross multiply
    7,681.66x = 10,597.98 × 5,030.54
  4. Step 4: Simplify right side
    7,681.66x = 53,313,562.31
  5. Step 5: Solve for x
    x = 53,313,562.31/7,681.66
  6. Step 6: Final answer
    x = 6,940.37

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1.5x scale

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.