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Finding the Fourth Proportional to 14,401.72, 21,602.53 and 6,507.01

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Solution

The fourth proportional to 14,401.72, 21,602.53 and 6,507.01 is: 9,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.72 : 21,602.53 = 6,507.01 : x
  2. Step 2: Convert to fraction form
    14,401.72/21,602.53 = 6,507.01/x
  3. Step 3: Cross multiply
    14,401.72x = 21,602.53 × 6,507.01
  4. Step 4: Simplify right side
    14,401.72x = 140,567,913.87
  5. Step 5: Solve for x
    x = 140,567,913.87/14,401.72
  6. Step 6: Final answer
    x = 9,760.49

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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.