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Finding the Fourth Proportional to 10,304,968.20, 14,408,059.80 and 10,304,968.20

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Solution

The fourth proportional to 10,304,968.20, 14,408,059.80 and 10,304,968.20 is: 14,408,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304,968.20 : 14,408,059.80 = 10,304,968.20 : x
  2. Step 2: Convert to fraction form
    10,304,968.20/14,408,059.80 = 10,304,968.20/x
  3. Step 3: Cross multiply
    10,304,968.20x = 14,408,059.80 × 10,304,968.20
  4. Step 4: Simplify right side
    10,304,968.20x = 148,474,598,062,698.34
  5. Step 5: Solve for x
    x = 148,474,598,062,698.34/10,304,968.20
  6. Step 6: Final answer
    x = 14,408,059.80

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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.