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Finding the Fourth Proportional to 16,947,071.60, 25,420,607.40 and 16,947,071.60

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Solution

The fourth proportional to 16,947,071.60, 25,420,607.40 and 16,947,071.60 is: 25,420,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947,071.60 : 25,420,607.40 = 16,947,071.60 : x
  2. Step 2: Convert to fraction form
    16,947,071.60/25,420,607.40 = 16,947,071.60/x
  3. Step 3: Cross multiply
    16,947,071.60x = 25,420,607.40 × 16,947,071.60
  4. Step 4: Simplify right side
    16,947,071.60x = 430,804,853,723,289.88
  5. Step 5: Solve for x
    x = 430,804,853,723,289.88/16,947,071.60
  6. Step 6: Final answer
    x = 25,420,607.40

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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.