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Finding the Fourth Proportional to 8,504.77, 11,707.86 and 7,010.32

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Solution

The fourth proportional to 8,504.77, 11,707.86 and 7,010.32 is: 9,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.77 : 11,707.86 = 7,010.32 : x
  2. Step 2: Convert to fraction form
    8,504.77/11,707.86 = 7,010.32/x
  3. Step 3: Cross multiply
    8,504.77x = 11,707.86 × 7,010.32
  4. Step 4: Simplify right side
    8,504.77x = 82,075,845.12
  5. Step 5: Solve for x
    x = 82,075,845.12/8,504.77
  6. Step 6: Final answer
    x = 9,650.57

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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.