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Finding the Fourth Proportional to 5,878.12, 8,817.12 and 1,495.53

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Solution

The fourth proportional to 5,878.12, 8,817.12 and 1,495.53 is: 2,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.12 : 8,817.12 = 1,495.53 : x
  2. Step 2: Convert to fraction form
    5,878.12/8,817.12 = 1,495.53/x
  3. Step 3: Cross multiply
    5,878.12x = 8,817.12 × 1,495.53
  4. Step 4: Simplify right side
    5,878.12x = 13,186,267.47
  5. Step 5: Solve for x
    x = 13,186,267.47/5,878.12
  6. Step 6: Final answer
    x = 2,243.28

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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.