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Finding the Fourth Proportional to 13,797,938.40, 20,696,907.60 and 4,710,297.30

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Solution

The fourth proportional to 13,797,938.40, 20,696,907.60 and 4,710,297.30 is: 7,065,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797,938.40 : 20,696,907.60 = 4,710,297.30 : x
  2. Step 2: Convert to fraction form
    13,797,938.40/20,696,907.60 = 4,710,297.30/x
  3. Step 3: Cross multiply
    13,797,938.40x = 20,696,907.60 × 4,710,297.30
  4. Step 4: Simplify right side
    13,797,938.40x = 97,488,587,986,629.48
  5. Step 5: Solve for x
    x = 97,488,587,986,629.48/13,797,938.40
  6. Step 6: Final answer
    x = 7,065,445.95

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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.