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Finding the Fourth Proportional to 9,303.64, 12,837.07 and 5,525.45

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Solution

The fourth proportional to 9,303.64, 12,837.07 and 5,525.45 is: 7,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.64 : 12,837.07 = 5,525.45 : x
  2. Step 2: Convert to fraction form
    9,303.64/12,837.07 = 5,525.45/x
  3. Step 3: Cross multiply
    9,303.64x = 12,837.07 × 5,525.45
  4. Step 4: Simplify right side
    9,303.64x = 70,930,588.43
  5. Step 5: Solve for x
    x = 70,930,588.43/9,303.64
  6. Step 6: Final answer
    x = 7,623.96

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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.