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Finding the Fourth Proportional to 5,590,872.54, 7,710,623.70 and 3,851,318.16

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Solution

The fourth proportional to 5,590,872.54, 7,710,623.70 and 3,851,318.16 is: 5,311,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590,872.54 : 7,710,623.70 = 3,851,318.16 : x
  2. Step 2: Convert to fraction form
    5,590,872.54/7,710,623.70 = 3,851,318.16/x
  3. Step 3: Cross multiply
    5,590,872.54x = 7,710,623.70 × 3,851,318.16
  4. Step 4: Simplify right side
    5,590,872.54x = 29,696,065,080,736.39
  5. Step 5: Solve for x
    x = 29,696,065,080,736.39/5,590,872.54
  6. Step 6: Final answer
    x = 5,311,526.04

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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.