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Finding the Fourth Proportional to 14,907.51, 20,567.85 and 8,937

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Solution

The fourth proportional to 14,907.51, 20,567.85 and 8,937 is: 12,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.51 : 20,567.85 = 8,937 : x
  2. Step 2: Convert to fraction form
    14,907.51/20,567.85 = 8,937/x
  3. Step 3: Cross multiply
    14,907.51x = 20,567.85 × 8,937
  4. Step 4: Simplify right side
    14,907.51x = 183,814,875.45
  5. Step 5: Solve for x
    x = 183,814,875.45/14,907.51
  6. Step 6: Final answer
    x = 12,330.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.