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Finding the Fourth Proportional to 4,925.80, 6,783.06 and 4,401.64

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Solution

The fourth proportional to 4,925.80, 6,783.06 and 4,401.64 is: 6,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.80 : 6,783.06 = 4,401.64 : x
  2. Step 2: Convert to fraction form
    4,925.80/6,783.06 = 4,401.64/x
  3. Step 3: Cross multiply
    4,925.80x = 6,783.06 × 4,401.64
  4. Step 4: Simplify right side
    4,925.80x = 29,856,588.22
  5. Step 5: Solve for x
    x = 29,856,588.22/4,925.80
  6. Step 6: Final answer
    x = 6,061.27

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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.