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Finding the Fourth Proportional to 25,352.77, 34,986.90 and 14,174.77

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Solution

The fourth proportional to 25,352.77, 34,986.90 and 14,174.77 is: 19,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.77 : 34,986.90 = 14,174.77 : x
  2. Step 2: Convert to fraction form
    25,352.77/34,986.90 = 14,174.77/x
  3. Step 3: Cross multiply
    25,352.77x = 34,986.90 × 14,174.77
  4. Step 4: Simplify right side
    25,352.77x = 495,931,260.51
  5. Step 5: Solve for x
    x = 495,931,260.51/25,352.77
  6. Step 6: Final answer
    x = 19,561.23

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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.