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Finding the Fourth Proportional to 1,514.58, 2,089.44 and 925.01

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Solution

The fourth proportional to 1,514.58, 2,089.44 and 925.01 is: 1,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.58 : 2,089.44 = 925.01 : x
  2. Step 2: Convert to fraction form
    1,514.58/2,089.44 = 925.01/x
  3. Step 3: Cross multiply
    1,514.58x = 2,089.44 × 925.01
  4. Step 4: Simplify right side
    1,514.58x = 1,932,742.45
  5. Step 5: Solve for x
    x = 1,932,742.45/1,514.58
  6. Step 6: Final answer
    x = 1,276.09

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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.