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Finding the Fourth Proportional to 57,023.40, 85,536.87 and 19,582.98

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Solution

The fourth proportional to 57,023.40, 85,536.87 and 19,582.98 is: 29,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.40 : 85,536.87 = 19,582.98 : x
  2. Step 2: Convert to fraction form
    57,023.40/85,536.87 = 19,582.98/x
  3. Step 3: Cross multiply
    57,023.40x = 85,536.87 × 19,582.98
  4. Step 4: Simplify right side
    57,023.40x = 1,675,066,814.47
  5. Step 5: Solve for x
    x = 1,675,066,814.47/57,023.40
  6. Step 6: Final answer
    x = 29,375.08

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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.