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Finding the Fourth Proportional to 7,547.77, 11,321.11 and 2,353.51

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Solution

The fourth proportional to 7,547.77, 11,321.11 and 2,353.51 is: 3,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.77 : 11,321.11 = 2,353.51 : x
  2. Step 2: Convert to fraction form
    7,547.77/11,321.11 = 2,353.51/x
  3. Step 3: Cross multiply
    7,547.77x = 11,321.11 × 2,353.51
  4. Step 4: Simplify right side
    7,547.77x = 26,644,345.60
  5. Step 5: Solve for x
    x = 26,644,345.60/7,547.77
  6. Step 6: Final answer
    x = 3,530.10

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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.