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Finding the Fourth Proportional to 4,365.76, 6,548.45 and 1,078.76

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Solution

The fourth proportional to 4,365.76, 6,548.45 and 1,078.76 is: 1,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.76 : 6,548.45 = 1,078.76 : x
  2. Step 2: Convert to fraction form
    4,365.76/6,548.45 = 1,078.76/x
  3. Step 3: Cross multiply
    4,365.76x = 6,548.45 × 1,078.76
  4. Step 4: Simplify right side
    4,365.76x = 7,064,224.99
  5. Step 5: Solve for x
    x = 7,064,224.99/4,365.76
  6. Step 6: Final answer
    x = 1,618.10

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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.