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Finding the Fourth Proportional to 1,526.77, 2,106.93 and 929.44

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Solution

The fourth proportional to 1,526.77, 2,106.93 and 929.44 is: 1,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.77 : 2,106.93 = 929.44 : x
  2. Step 2: Convert to fraction form
    1,526.77/2,106.93 = 929.44/x
  3. Step 3: Cross multiply
    1,526.77x = 2,106.93 × 929.44
  4. Step 4: Simplify right side
    1,526.77x = 1,958,265.02
  5. Step 5: Solve for x
    x = 1,958,265.02/1,526.77
  6. Step 6: Final answer
    x = 1,282.62

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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.