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Finding the Fourth Proportional to 8,897.63, 13,347.81 and 2,973.42

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Solution

The fourth proportional to 8,897.63, 13,347.81 and 2,973.42 is: 4,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.63 : 13,347.81 = 2,973.42 : x
  2. Step 2: Convert to fraction form
    8,897.63/13,347.81 = 2,973.42/x
  3. Step 3: Cross multiply
    8,897.63x = 13,347.81 × 2,973.42
  4. Step 4: Simplify right side
    8,897.63x = 39,688,618.08
  5. Step 5: Solve for x
    x = 39,688,618.08/8,897.63
  6. Step 6: Final answer
    x = 4,460.58

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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.