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Finding the Fourth Proportional to 14,325.87, 21,460.02 and 7,305.60

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Solution

The fourth proportional to 14,325.87, 21,460.02 and 7,305.60 is: 10,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.87 : 21,460.02 = 7,305.60 : x
  2. Step 2: Convert to fraction form
    14,325.87/21,460.02 = 7,305.60/x
  3. Step 3: Cross multiply
    14,325.87x = 21,460.02 × 7,305.60
  4. Step 4: Simplify right side
    14,325.87x = 156,778,322.11
  5. Step 5: Solve for x
    x = 156,778,322.11/14,325.87
  6. Step 6: Final answer
    x = 10,943.72

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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.