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Finding the Fourth Proportional to 7,039, 10,550.88 and 4,575.58

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Solution

The fourth proportional to 7,039, 10,550.88 and 4,575.58 is: 6,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039 : 10,550.88 = 4,575.58 : x
  2. Step 2: Convert to fraction form
    7,039/10,550.88 = 4,575.58/x
  3. Step 3: Cross multiply
    7,039x = 10,550.88 × 4,575.58
  4. Step 4: Simplify right side
    7,039x = 48,276,395.51
  5. Step 5: Solve for x
    x = 48,276,395.51/7,039
  6. Step 6: Final answer
    x = 6,858.42

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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.