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Finding the Fourth Proportional to 5,697.44, 8,547.08 and 1,999.60

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Solution

The fourth proportional to 5,697.44, 8,547.08 and 1,999.60 is: 2,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.44 : 8,547.08 = 1,999.60 : x
  2. Step 2: Convert to fraction form
    5,697.44/8,547.08 = 1,999.60/x
  3. Step 3: Cross multiply
    5,697.44x = 8,547.08 × 1,999.60
  4. Step 4: Simplify right side
    5,697.44x = 17,090,741.17
  5. Step 5: Solve for x
    x = 17,090,741.17/5,697.44
  6. Step 6: Final answer
    x = 2,999.72

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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.