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Finding the Fourth Proportional to 1,925.01, 2,656.77 and 1,085.88

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Solution

The fourth proportional to 1,925.01, 2,656.77 and 1,085.88 is: 1,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.01 : 2,656.77 = 1,085.88 : x
  2. Step 2: Convert to fraction form
    1,925.01/2,656.77 = 1,085.88/x
  3. Step 3: Cross multiply
    1,925.01x = 2,656.77 × 1,085.88
  4. Step 4: Simplify right side
    1,925.01x = 2,884,933.41
  5. Step 5: Solve for x
    x = 2,884,933.41/1,925.01
  6. Step 6: Final answer
    x = 1,498.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.