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Finding the Fourth Proportional to 792.52, 1,095.06 and 654.28

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Solution

The fourth proportional to 792.52, 1,095.06 and 654.28 is: 904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.52 : 1,095.06 = 654.28 : x
  2. Step 2: Convert to fraction form
    792.52/1,095.06 = 654.28/x
  3. Step 3: Cross multiply
    792.52x = 1,095.06 × 654.28
  4. Step 4: Simplify right side
    792.52x = 716,475.86
  5. Step 5: Solve for x
    x = 716,475.86/792.52
  6. Step 6: Final answer
    x = 904.05

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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.