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Finding the Fourth Proportional to 8,775.04, 13,158.20 and 4,395.04

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Solution

The fourth proportional to 8,775.04, 13,158.20 and 4,395.04 is: 6,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.04 : 13,158.20 = 4,395.04 : x
  2. Step 2: Convert to fraction form
    8,775.04/13,158.20 = 4,395.04/x
  3. Step 3: Cross multiply
    8,775.04x = 13,158.20 × 4,395.04
  4. Step 4: Simplify right side
    8,775.04x = 57,830,815.33
  5. Step 5: Solve for x
    x = 57,830,815.33/8,775.04
  6. Step 6: Final answer
    x = 6,590.38

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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.