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Finding the Fourth Proportional to 14,482.40, 21,719.00 and 7,460.24

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Solution

The fourth proportional to 14,482.40, 21,719.00 and 7,460.24 is: 11,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.40 : 21,719.00 = 7,460.24 : x
  2. Step 2: Convert to fraction form
    14,482.40/21,719.00 = 7,460.24/x
  3. Step 3: Cross multiply
    14,482.40x = 21,719.00 × 7,460.24
  4. Step 4: Simplify right side
    14,482.40x = 162,028,862.62
  5. Step 5: Solve for x
    x = 162,028,862.62/14,482.40
  6. Step 6: Final answer
    x = 11,187.99

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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.