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Finding the Fourth Proportional to 16,690.79, 25,035.88 and 6,698.08

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Solution

The fourth proportional to 16,690.79, 25,035.88 and 6,698.08 is: 10,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.79 : 25,035.88 = 6,698.08 : x
  2. Step 2: Convert to fraction form
    16,690.79/25,035.88 = 6,698.08/x
  3. Step 3: Cross multiply
    16,690.79x = 25,035.88 × 6,698.08
  4. Step 4: Simplify right side
    16,690.79x = 167,692,256.28
  5. Step 5: Solve for x
    x = 167,692,256.28/16,690.79
  6. Step 6: Final answer
    x = 10,047.00

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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.