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Finding the Fourth Proportional to 1,715.33, 2,367.20 and 969.24

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Solution

The fourth proportional to 1,715.33, 2,367.20 and 969.24 is: 1,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.33 : 2,367.20 = 969.24 : x
  2. Step 2: Convert to fraction form
    1,715.33/2,367.20 = 969.24/x
  3. Step 3: Cross multiply
    1,715.33x = 2,367.20 × 969.24
  4. Step 4: Simplify right side
    1,715.33x = 2,294,386.84
  5. Step 5: Solve for x
    x = 2,294,386.84/1,715.33
  6. Step 6: Final answer
    x = 1,337.58

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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.