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Finding the Fourth Proportional to 6,692.71, 10,039.55 and 1,762.31

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Solution

The fourth proportional to 6,692.71, 10,039.55 and 1,762.31 is: 2,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.71 : 10,039.55 = 1,762.31 : x
  2. Step 2: Convert to fraction form
    6,692.71/10,039.55 = 1,762.31/x
  3. Step 3: Cross multiply
    6,692.71x = 10,039.55 × 1,762.31
  4. Step 4: Simplify right side
    6,692.71x = 17,692,832.17
  5. Step 5: Solve for x
    x = 17,692,832.17/6,692.71
  6. Step 6: Final answer
    x = 2,643.60

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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.