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Finding the Fourth Proportional to 16,401.60, 24,606.78 and 6,547.80

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Solution

The fourth proportional to 16,401.60, 24,606.78 and 6,547.80 is: 9,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.60 : 24,606.78 = 6,547.80 : x
  2. Step 2: Convert to fraction form
    16,401.60/24,606.78 = 6,547.80/x
  3. Step 3: Cross multiply
    16,401.60x = 24,606.78 × 6,547.80
  4. Step 4: Simplify right side
    16,401.60x = 161,120,274.08
  5. Step 5: Solve for x
    x = 161,120,274.08/16,401.60
  6. Step 6: Final answer
    x = 9,823.45

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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.