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Finding the Fourth Proportional to 11,703,223.16, 17,561,811.54 and 5,225,797.88

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Solution

The fourth proportional to 11,703,223.16, 17,561,811.54 and 5,225,797.88 is: 7,841,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703,223.16 : 17,561,811.54 = 5,225,797.88 : x
  2. Step 2: Convert to fraction form
    11,703,223.16/17,561,811.54 = 5,225,797.88/x
  3. Step 3: Cross multiply
    11,703,223.16x = 17,561,811.54 × 5,225,797.88
  4. Step 4: Simplify right side
    11,703,223.16x = 91,774,477,514,691.53
  5. Step 5: Solve for x
    x = 91,774,477,514,691.53/11,703,223.16
  6. Step 6: Final answer
    x = 7,841,812.15

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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.