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Finding the Fourth Proportional to 3,710,119.70, 5,209,097.50 and 3,710,119.70

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Solution

The fourth proportional to 3,710,119.70, 5,209,097.50 and 3,710,119.70 is: 5,209,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,119.70 : 5,209,097.50 = 3,710,119.70 : x
  2. Step 2: Convert to fraction form
    3,710,119.70/5,209,097.50 = 3,710,119.70/x
  3. Step 3: Cross multiply
    3,710,119.70x = 5,209,097.50 × 3,710,119.70
  4. Step 4: Simplify right side
    3,710,119.70x = 19,326,375,253,970.75
  5. Step 5: Solve for x
    x = 19,326,375,253,970.75/3,710,119.70
  6. Step 6: Final answer
    x = 5,209,097.50

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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.