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Finding the Fourth Proportional to 6,436,744.40, 9,036,636.40 and 6,436,744.40

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Solution

The fourth proportional to 6,436,744.40, 9,036,636.40 and 6,436,744.40 is: 9,036,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,744.40 : 9,036,636.40 = 6,436,744.40 : x
  2. Step 2: Convert to fraction form
    6,436,744.40/9,036,636.40 = 6,436,744.40/x
  3. Step 3: Cross multiply
    6,436,744.40x = 9,036,636.40 × 6,436,744.40
  4. Step 4: Simplify right side
    6,436,744.40x = 58,166,518,742,536.16
  5. Step 5: Solve for x
    x = 58,166,518,742,536.16/6,436,744.40
  6. Step 6: Final answer
    x = 9,036,636.40

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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.