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Finding the Fourth Proportional to 8,973.32, 13,453.34 and 4,353

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Solution

The fourth proportional to 8,973.32, 13,453.34 and 4,353 is: 6,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.32 : 13,453.34 = 4,353 : x
  2. Step 2: Convert to fraction form
    8,973.32/13,453.34 = 4,353/x
  3. Step 3: Cross multiply
    8,973.32x = 13,453.34 × 4,353
  4. Step 4: Simplify right side
    8,973.32x = 58,562,389.02
  5. Step 5: Solve for x
    x = 58,562,389.02/8,973.32
  6. Step 6: Final answer
    x = 6,526.28

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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.