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Finding the Fourth Proportional to 5,698.89, 7,866.63 and 4,899.02

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Solution

The fourth proportional to 5,698.89, 7,866.63 and 4,899.02 is: 6,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.89 : 7,866.63 = 4,899.02 : x
  2. Step 2: Convert to fraction form
    5,698.89/7,866.63 = 4,899.02/x
  3. Step 3: Cross multiply
    5,698.89x = 7,866.63 × 4,899.02
  4. Step 4: Simplify right side
    5,698.89x = 38,538,777.70
  5. Step 5: Solve for x
    x = 38,538,777.70/5,698.89
  6. Step 6: Final answer
    x = 6,762.51

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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.