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Finding the Fourth Proportional to 17,496,803.60, 26,245,205.40 and 12,961,840.40

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Solution

The fourth proportional to 17,496,803.60, 26,245,205.40 and 12,961,840.40 is: 19,442,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,496,803.60 : 26,245,205.40 = 12,961,840.40 : x
  2. Step 2: Convert to fraction form
    17,496,803.60/26,245,205.40 = 12,961,840.40/x
  3. Step 3: Cross multiply
    17,496,803.60x = 26,245,205.40 × 12,961,840.40
  4. Step 4: Simplify right side
    17,496,803.60x = 340,186,163,660,018.12
  5. Step 5: Solve for x
    x = 340,186,163,660,018.12/17,496,803.60
  6. Step 6: Final answer
    x = 19,442,760.60

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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.