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Finding the Fourth Proportional to 6,468.02, 8,918.80 and 4,368.50

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Solution

The fourth proportional to 6,468.02, 8,918.80 and 4,368.50 is: 6,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.02 : 8,918.80 = 4,368.50 : x
  2. Step 2: Convert to fraction form
    6,468.02/8,918.80 = 4,368.50/x
  3. Step 3: Cross multiply
    6,468.02x = 8,918.80 × 4,368.50
  4. Step 4: Simplify right side
    6,468.02x = 38,961,722.28
  5. Step 5: Solve for x
    x = 38,961,722.28/6,468.02
  6. Step 6: Final answer
    x = 6,023.75

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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.