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Finding the Fourth Proportional to 10,985.04, 16,477.52 and 2,777.04

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Solution

The fourth proportional to 10,985.04, 16,477.52 and 2,777.04 is: 4,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.04 : 16,477.52 = 2,777.04 : x
  2. Step 2: Convert to fraction form
    10,985.04/16,477.52 = 2,777.04/x
  3. Step 3: Cross multiply
    10,985.04x = 16,477.52 × 2,777.04
  4. Step 4: Simplify right side
    10,985.04x = 45,758,732.14
  5. Step 5: Solve for x
    x = 45,758,732.14/10,985.04
  6. Step 6: Final answer
    x = 4,165.55

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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.