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Finding the Fourth Proportional to 7,482.60, 11,195.10 and 4,890.60

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Solution

The fourth proportional to 7,482.60, 11,195.10 and 4,890.60 is: 7,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.60 : 11,195.10 = 4,890.60 : x
  2. Step 2: Convert to fraction form
    7,482.60/11,195.10 = 4,890.60/x
  3. Step 3: Cross multiply
    7,482.60x = 11,195.10 × 4,890.60
  4. Step 4: Simplify right side
    7,482.60x = 54,750,756.06
  5. Step 5: Solve for x
    x = 54,750,756.06/7,482.60
  6. Step 6: Final answer
    x = 7,317.08

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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.