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Finding the Fourth Proportional to 10,610,522.40, 15,915,783.60 and 10,610,522.40

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Solution

The fourth proportional to 10,610,522.40, 15,915,783.60 and 10,610,522.40 is: 15,915,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610,522.40 : 15,915,783.60 = 10,610,522.40 : x
  2. Step 2: Convert to fraction form
    10,610,522.40/15,915,783.60 = 10,610,522.40/x
  3. Step 3: Cross multiply
    10,610,522.40x = 15,915,783.60 × 10,610,522.40
  4. Step 4: Simplify right side
    10,610,522.40x = 168,874,778,401,352.66
  5. Step 5: Solve for x
    x = 168,874,778,401,352.66/10,610,522.40
  6. Step 6: Final answer
    x = 15,915,783.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.