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Finding the Fourth Proportional to 25,673.99, 35,430.11 and 14,343.45

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Solution

The fourth proportional to 25,673.99, 35,430.11 and 14,343.45 is: 19,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.99 : 35,430.11 = 14,343.45 : x
  2. Step 2: Convert to fraction form
    25,673.99/35,430.11 = 14,343.45/x
  3. Step 3: Cross multiply
    25,673.99x = 35,430.11 × 14,343.45
  4. Step 4: Simplify right side
    25,673.99x = 508,189,939.56
  5. Step 5: Solve for x
    x = 508,189,939.56/25,673.99
  6. Step 6: Final answer
    x = 19,793.96

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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.