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Finding the Fourth Proportional to 17,966,999.60, 26,950,499.40 and 13,715,471.60

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Solution

The fourth proportional to 17,966,999.60, 26,950,499.40 and 13,715,471.60 is: 20,573,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,999.60 : 26,950,499.40 = 13,715,471.60 : x
  2. Step 2: Convert to fraction form
    17,966,999.60/26,950,499.40 = 13,715,471.60/x
  3. Step 3: Cross multiply
    17,966,999.60x = 26,950,499.40 × 13,715,471.60
  4. Step 4: Simplify right side
    17,966,999.60x = 369,638,809,126,517
  5. Step 5: Solve for x
    x = 369,638,809,126,517/17,966,999.60
  6. Step 6: Final answer
    x = 20,573,207.40

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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.