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Finding the Fourth Proportional to 1,756.07, 2,423.25 and 970.14

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Solution

The fourth proportional to 1,756.07, 2,423.25 and 970.14 is: 1,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.07 : 2,423.25 = 970.14 : x
  2. Step 2: Convert to fraction form
    1,756.07/2,423.25 = 970.14/x
  3. Step 3: Cross multiply
    1,756.07x = 2,423.25 × 970.14
  4. Step 4: Simplify right side
    1,756.07x = 2,350,891.76
  5. Step 5: Solve for x
    x = 2,350,891.76/1,756.07
  6. Step 6: Final answer
    x = 1,338.73

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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.