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Finding the Fourth Proportional to 5,720.51, 8,586.82 and 5,066.63

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Solution

The fourth proportional to 5,720.51, 8,586.82 and 5,066.63 is: 7,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.51 : 8,586.82 = 5,066.63 : x
  2. Step 2: Convert to fraction form
    5,720.51/8,586.82 = 5,066.63/x
  3. Step 3: Cross multiply
    5,720.51x = 8,586.82 × 5,066.63
  4. Step 4: Simplify right side
    5,720.51x = 43,506,220.28
  5. Step 5: Solve for x
    x = 43,506,220.28/5,720.51
  6. Step 6: Final answer
    x = 7,605.31

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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.