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Finding the Fourth Proportional to 9,193,074.40, 13,768,616.40 and 5,413,938.40

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Solution

The fourth proportional to 9,193,074.40, 13,768,616.40 and 5,413,938.40 is: 8,108,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193,074.40 : 13,768,616.40 = 5,413,938.40 : x
  2. Step 2: Convert to fraction form
    9,193,074.40/13,768,616.40 = 5,413,938.40/x
  3. Step 3: Cross multiply
    9,193,074.40x = 13,768,616.40 × 5,413,938.40
  4. Step 4: Simplify right side
    9,193,074.40x = 74,542,441,042,829.77
  5. Step 5: Solve for x
    x = 74,542,441,042,829.77/9,193,074.40
  6. Step 6: Final answer
    x = 8,108,543.21

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1.5x scale

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.