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Finding the Fourth Proportional to 3,604,647.64, 4,974,073.50 and 2,154,054.28

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Solution

The fourth proportional to 3,604,647.64, 4,974,073.50 and 2,154,054.28 is: 2,972,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,647.64 : 4,974,073.50 = 2,154,054.28 : x
  2. Step 2: Convert to fraction form
    3,604,647.64/4,974,073.50 = 2,154,054.28/x
  3. Step 3: Cross multiply
    3,604,647.64x = 4,974,073.50 × 2,154,054.28
  4. Step 4: Simplify right side
    3,604,647.64x = 10,714,424,311,709.58
  5. Step 5: Solve for x
    x = 10,714,424,311,709.58/3,604,647.64
  6. Step 6: Final answer
    x = 2,972,391.58

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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.