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Finding the Fourth Proportional to 14,358.61, 21,551.24 and 7,343.64

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Solution

The fourth proportional to 14,358.61, 21,551.24 and 7,343.64 is: 11,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.61 : 21,551.24 = 7,343.64 : x
  2. Step 2: Convert to fraction form
    14,358.61/21,551.24 = 7,343.64/x
  3. Step 3: Cross multiply
    14,358.61x = 21,551.24 × 7,343.64
  4. Step 4: Simplify right side
    14,358.61x = 158,264,548.11
  5. Step 5: Solve for x
    x = 158,264,548.11/14,358.61
  6. Step 6: Final answer
    x = 11,022.28

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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.