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Finding the Fourth Proportional to 9,395,506.50, 12,965,578.44 and 5,528,278.14

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Solution

The fourth proportional to 9,395,506.50, 12,965,578.44 and 5,528,278.14 is: 7,628,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395,506.50 : 12,965,578.44 = 5,528,278.14 : x
  2. Step 2: Convert to fraction form
    9,395,506.50/12,965,578.44 = 5,528,278.14/x
  3. Step 3: Cross multiply
    9,395,506.50x = 12,965,578.44 × 5,528,278.14
  4. Step 4: Simplify right side
    9,395,506.50x = 71,677,323,862,307.30
  5. Step 5: Solve for x
    x = 71,677,323,862,307.30/9,395,506.50
  6. Step 6: Final answer
    x = 7,628,894.07

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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.