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Finding the Fourth Proportional to 5,669.55, 8,504.31 and 1,509.55

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Solution

The fourth proportional to 5,669.55, 8,504.31 and 1,509.55 is: 2,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.55 : 8,504.31 = 1,509.55 : x
  2. Step 2: Convert to fraction form
    5,669.55/8,504.31 = 1,509.55/x
  3. Step 3: Cross multiply
    5,669.55x = 8,504.31 × 1,509.55
  4. Step 4: Simplify right side
    5,669.55x = 12,837,681.16
  5. Step 5: Solve for x
    x = 12,837,681.16/5,669.55
  6. Step 6: Final answer
    x = 2,264.32

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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.