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Finding the Fourth Proportional to 4,999.16, 6,899.28 and 2,903.60

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Solution

The fourth proportional to 4,999.16, 6,899.28 and 2,903.60 is: 4,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.16 : 6,899.28 = 2,903.60 : x
  2. Step 2: Convert to fraction form
    4,999.16/6,899.28 = 2,903.60/x
  3. Step 3: Cross multiply
    4,999.16x = 6,899.28 × 2,903.60
  4. Step 4: Simplify right side
    4,999.16x = 20,032,749.41
  5. Step 5: Solve for x
    x = 20,032,749.41/4,999.16
  6. Step 6: Final answer
    x = 4,007.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.