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Finding the Fourth Proportional to 14,325.48, 21,489 and 4,464.48

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Solution

The fourth proportional to 14,325.48, 21,489 and 4,464.48 is: 6,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.48 : 21,489 = 4,464.48 : x
  2. Step 2: Convert to fraction form
    14,325.48/21,489 = 4,464.48/x
  3. Step 3: Cross multiply
    14,325.48x = 21,489 × 4,464.48
  4. Step 4: Simplify right side
    14,325.48x = 95,937,210.72
  5. Step 5: Solve for x
    x = 95,937,210.72/14,325.48
  6. Step 6: Final answer
    x = 6,696.96

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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.