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Finding the Fourth Proportional to 27,317,227.20, 40,975,840.80 and 13,712,337.60

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Solution

The fourth proportional to 27,317,227.20, 40,975,840.80 and 13,712,337.60 is: 20,568,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317,227.20 : 40,975,840.80 = 13,712,337.60 : x
  2. Step 2: Convert to fraction form
    27,317,227.20/40,975,840.80 = 13,712,337.60/x
  3. Step 3: Cross multiply
    27,317,227.20x = 40,975,840.80 × 13,712,337.60
  4. Step 4: Simplify right side
    27,317,227.20x = 561,874,562,493,454
  5. Step 5: Solve for x
    x = 561,874,562,493,454/27,317,227.20
  6. Step 6: Final answer
    x = 20,568,506.40

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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.