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Finding the Fourth Proportional to 17,956.56, 24,779.40 and 10,504.40

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Solution

The fourth proportional to 17,956.56, 24,779.40 and 10,504.40 is: 14,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.56 : 24,779.40 = 10,504.40 : x
  2. Step 2: Convert to fraction form
    17,956.56/24,779.40 = 10,504.40/x
  3. Step 3: Cross multiply
    17,956.56x = 24,779.40 × 10,504.40
  4. Step 4: Simplify right side
    17,956.56x = 260,292,729.36
  5. Step 5: Solve for x
    x = 260,292,729.36/17,956.56
  6. Step 6: Final answer
    x = 14,495.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.