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Finding the Fourth Proportional to 17,571,213.60, 26,328,826.80 and 13,036,250.40

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Solution

The fourth proportional to 17,571,213.60, 26,328,826.80 and 13,036,250.40 is: 19,533,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571,213.60 : 26,328,826.80 = 13,036,250.40 : x
  2. Step 2: Convert to fraction form
    17,571,213.60/26,328,826.80 = 13,036,250.40/x
  3. Step 3: Cross multiply
    17,571,213.60x = 26,328,826.80 × 13,036,250.40
  4. Step 4: Simplify right side
    17,571,213.60x = 343,229,178,903,030.75
  5. Step 5: Solve for x
    x = 343,229,178,903,030.75/17,571,213.60
  6. Step 6: Final answer
    x = 19,533,606.88

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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.