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Finding the Fourth Proportional to 5,666.90, 8,482.84 and 5,583.87

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Solution

The fourth proportional to 5,666.90, 8,482.84 and 5,583.87 is: 8,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.90 : 8,482.84 = 5,583.87 : x
  2. Step 2: Convert to fraction form
    5,666.90/8,482.84 = 5,583.87/x
  3. Step 3: Cross multiply
    5,666.90x = 8,482.84 × 5,583.87
  4. Step 4: Simplify right side
    5,666.90x = 47,367,075.79
  5. Step 5: Solve for x
    x = 47,367,075.79/5,666.90
  6. Step 6: Final answer
    x = 8,358.55

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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.