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Finding the Fourth Proportional to 4,707.88, 7,027.43 and 4,365.25

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Solution

The fourth proportional to 4,707.88, 7,027.43 and 4,365.25 is: 6,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.88 : 7,027.43 = 4,365.25 : x
  2. Step 2: Convert to fraction form
    4,707.88/7,027.43 = 4,365.25/x
  3. Step 3: Cross multiply
    4,707.88x = 7,027.43 × 4,365.25
  4. Step 4: Simplify right side
    4,707.88x = 30,676,488.81
  5. Step 5: Solve for x
    x = 30,676,488.81/4,707.88
  6. Step 6: Final answer
    x = 6,515.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.