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Finding the Fourth Proportional to 1,798.48, 2,697.76 and 932.32

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Solution

The fourth proportional to 1,798.48, 2,697.76 and 932.32 is: 1,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.48 : 2,697.76 = 932.32 : x
  2. Step 2: Convert to fraction form
    1,798.48/2,697.76 = 932.32/x
  3. Step 3: Cross multiply
    1,798.48x = 2,697.76 × 932.32
  4. Step 4: Simplify right side
    1,798.48x = 2,515,175.60
  5. Step 5: Solve for x
    x = 2,515,175.60/1,798.48
  6. Step 6: Final answer
    x = 1,398.50

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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.