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Finding the Fourth Proportional to 14,501.58, 21,719.16 and 7,464.30

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Solution

The fourth proportional to 14,501.58, 21,719.16 and 7,464.30 is: 11,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.58 : 21,719.16 = 7,464.30 : x
  2. Step 2: Convert to fraction form
    14,501.58/21,719.16 = 7,464.30/x
  3. Step 3: Cross multiply
    14,501.58x = 21,719.16 × 7,464.30
  4. Step 4: Simplify right side
    14,501.58x = 162,118,325.99
  5. Step 5: Solve for x
    x = 162,118,325.99/14,501.58
  6. Step 6: Final answer
    x = 11,179.36

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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.