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Finding the Fourth Proportional to 9,775.45, 13,486.94 and 5,526.10

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Solution

The fourth proportional to 9,775.45, 13,486.94 and 5,526.10 is: 7,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.45 : 13,486.94 = 5,526.10 : x
  2. Step 2: Convert to fraction form
    9,775.45/13,486.94 = 5,526.10/x
  3. Step 3: Cross multiply
    9,775.45x = 13,486.94 × 5,526.10
  4. Step 4: Simplify right side
    9,775.45x = 74,530,111.70
  5. Step 5: Solve for x
    x = 74,530,111.70/9,775.45
  6. Step 6: Final answer
    x = 7,624.22

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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.