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Finding the Fourth Proportional to 14,343.57, 19,788.57 and 10,575.68

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Solution

The fourth proportional to 14,343.57, 19,788.57 and 10,575.68 is: 14,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.57 : 19,788.57 = 10,575.68 : x
  2. Step 2: Convert to fraction form
    14,343.57/19,788.57 = 10,575.68/x
  3. Step 3: Cross multiply
    14,343.57x = 19,788.57 × 10,575.68
  4. Step 4: Simplify right side
    14,343.57x = 209,277,485.03
  5. Step 5: Solve for x
    x = 209,277,485.03/14,343.57
  6. Step 6: Final answer
    x = 14,590.33

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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.