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Finding the Fourth Proportional to 3,710,120.20, 5,209,098.20 and 3,710,120.20

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Solution

The fourth proportional to 3,710,120.20, 5,209,098.20 and 3,710,120.20 is: 5,209,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,120.20 : 5,209,098.20 = 3,710,120.20 : x
  2. Step 2: Convert to fraction form
    3,710,120.20/5,209,098.20 = 3,710,120.20/x
  3. Step 3: Cross multiply
    3,710,120.20x = 5,209,098.20 × 3,710,120.20
  4. Step 4: Simplify right side
    3,710,120.20x = 19,326,380,455,603.64
  5. Step 5: Solve for x
    x = 19,326,380,455,603.64/3,710,120.20
  6. Step 6: Final answer
    x = 5,209,098.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.