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Finding the Fourth Proportional to 25,337.79, 34,966.19 and 14,159.79

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Solution

The fourth proportional to 25,337.79, 34,966.19 and 14,159.79 is: 19,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.79 : 34,966.19 = 14,159.79 : x
  2. Step 2: Convert to fraction form
    25,337.79/34,966.19 = 14,159.79/x
  3. Step 3: Cross multiply
    25,337.79x = 34,966.19 × 14,159.79
  4. Step 4: Simplify right side
    25,337.79x = 495,113,907.50
  5. Step 5: Solve for x
    x = 495,113,907.50/25,337.79
  6. Step 6: Final answer
    x = 19,540.53

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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.