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Finding the Fourth Proportional to 9,907.56, 13,674.36 and 6,550.56

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Solution

The fourth proportional to 9,907.56, 13,674.36 and 6,550.56 is: 9,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.56 : 13,674.36 = 6,550.56 : x
  2. Step 2: Convert to fraction form
    9,907.56/13,674.36 = 6,550.56/x
  3. Step 3: Cross multiply
    9,907.56x = 13,674.36 × 6,550.56
  4. Step 4: Simplify right side
    9,907.56x = 89,574,715.64
  5. Step 5: Solve for x
    x = 89,574,715.64/9,907.56
  6. Step 6: Final answer
    x = 9,041.05

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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.