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Finding the Fourth Proportional to 10,345.68, 15,504.48 and 7,417.44

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Solution

The fourth proportional to 10,345.68, 15,504.48 and 7,417.44 is: 11,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.68 : 15,504.48 = 7,417.44 : x
  2. Step 2: Convert to fraction form
    10,345.68/15,504.48 = 7,417.44/x
  3. Step 3: Cross multiply
    10,345.68x = 15,504.48 × 7,417.44
  4. Step 4: Simplify right side
    10,345.68x = 115,003,550.13
  5. Step 5: Solve for x
    x = 115,003,550.13/10,345.68
  6. Step 6: Final answer
    x = 11,116.09

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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.