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Finding the Fourth Proportional to 16,686.84, 25,030.26 and 6,824.40

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Solution

The fourth proportional to 16,686.84, 25,030.26 and 6,824.40 is: 10,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.84 : 25,030.26 = 6,824.40 : x
  2. Step 2: Convert to fraction form
    16,686.84/25,030.26 = 6,824.40/x
  3. Step 3: Cross multiply
    16,686.84x = 25,030.26 × 6,824.40
  4. Step 4: Simplify right side
    16,686.84x = 170,816,506.34
  5. Step 5: Solve for x
    x = 170,816,506.34/16,686.84
  6. Step 6: Final answer
    x = 10,236.60

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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.