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Finding the Fourth Proportional to 4,922,478.24, 7,373,088.48 and 4,802,018.40

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Solution

The fourth proportional to 4,922,478.24, 7,373,088.48 and 4,802,018.40 is: 7,192,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922,478.24 : 7,373,088.48 = 4,802,018.40 : x
  2. Step 2: Convert to fraction form
    4,922,478.24/7,373,088.48 = 4,802,018.40/x
  3. Step 3: Cross multiply
    4,922,478.24x = 7,373,088.48 × 4,802,018.40
  4. Step 4: Simplify right side
    4,922,478.24x = 35,405,706,545,788.04
  5. Step 5: Solve for x
    x = 35,405,706,545,788.04/4,922,478.24
  6. Step 6: Final answer
    x = 7,192,658.82

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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.