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Finding the Fourth Proportional to 25,674.76, 35,430.87 and 14,344.48

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Solution

The fourth proportional to 25,674.76, 35,430.87 and 14,344.48 is: 19,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.76 : 35,430.87 = 14,344.48 : x
  2. Step 2: Convert to fraction form
    25,674.76/35,430.87 = 14,344.48/x
  3. Step 3: Cross multiply
    25,674.76x = 35,430.87 × 14,344.48
  4. Step 4: Simplify right side
    25,674.76x = 508,237,406.10
  5. Step 5: Solve for x
    x = 508,237,406.10/25,674.76
  6. Step 6: Final answer
    x = 19,795.22

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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.