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Finding the Fourth Proportional to 1,492.92, 2,060.26 and 903.64

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Solution

The fourth proportional to 1,492.92, 2,060.26 and 903.64 is: 1,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.92 : 2,060.26 = 903.64 : x
  2. Step 2: Convert to fraction form
    1,492.92/2,060.26 = 903.64/x
  3. Step 3: Cross multiply
    1,492.92x = 2,060.26 × 903.64
  4. Step 4: Simplify right side
    1,492.92x = 1,861,733.35
  5. Step 5: Solve for x
    x = 1,861,733.35/1,492.92
  6. Step 6: Final answer
    x = 1,247.04

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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.