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Finding the Fourth Proportional to 7,444,816.60, 10,436,915 and 7,444,816.60

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Solution

The fourth proportional to 7,444,816.60, 10,436,915 and 7,444,816.60 is: 10,436,915

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444,816.60 : 10,436,915 = 7,444,816.60 : x
  2. Step 2: Convert to fraction form
    7,444,816.60/10,436,915 = 7,444,816.60/x
  3. Step 3: Cross multiply
    7,444,816.60x = 10,436,915 × 7,444,816.60
  4. Step 4: Simplify right side
    7,444,816.60x = 77,700,918,044,789
  5. Step 5: Solve for x
    x = 77,700,918,044,789/7,444,816.60
  6. Step 6: Final answer
    x = 10,436,915

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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.