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Finding the Fourth Proportional to 14,876.01, 20,527.36 and 8,907.53

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Solution

The fourth proportional to 14,876.01, 20,527.36 and 8,907.53 is: 12,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.01 : 20,527.36 = 8,907.53 : x
  2. Step 2: Convert to fraction form
    14,876.01/20,527.36 = 8,907.53/x
  3. Step 3: Cross multiply
    14,876.01x = 20,527.36 × 8,907.53
  4. Step 4: Simplify right side
    14,876.01x = 182,847,950.12
  5. Step 5: Solve for x
    x = 182,847,950.12/14,876.01
  6. Step 6: Final answer
    x = 12,291.46

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1.5x scale

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.