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Finding the Fourth Proportional to 17,002,261.70, 25,503,392.55 and 16,842,829.40

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Solution

The fourth proportional to 17,002,261.70, 25,503,392.55 and 16,842,829.40 is: 25,264,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002,261.70 : 25,503,392.55 = 16,842,829.40 : x
  2. Step 2: Convert to fraction form
    17,002,261.70/25,503,392.55 = 16,842,829.40/x
  3. Step 3: Cross multiply
    17,002,261.70x = 25,503,392.55 × 16,842,829.40
  4. Step 4: Simplify right side
    17,002,261.70x = 429,549,289,840,880.94
  5. Step 5: Solve for x
    x = 429,549,289,840,880.94/17,002,261.70
  6. Step 6: Final answer
    x = 25,264,244.10

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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.