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Finding the Fourth Proportional to 7,316.93, 10,975.28 and 1,770.24

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Solution

The fourth proportional to 7,316.93, 10,975.28 and 1,770.24 is: 2,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.93 : 10,975.28 = 1,770.24 : x
  2. Step 2: Convert to fraction form
    7,316.93/10,975.28 = 1,770.24/x
  3. Step 3: Cross multiply
    7,316.93x = 10,975.28 × 1,770.24
  4. Step 4: Simplify right side
    7,316.93x = 19,428,870.82
  5. Step 5: Solve for x
    x = 19,428,870.82/7,316.93
  6. Step 6: Final answer
    x = 2,655.33

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1.5x scale

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.