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Finding the Fourth Proportional to 14,803.52, 20,444.16 and 12,804.48

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Solution

The fourth proportional to 14,803.52, 20,444.16 and 12,804.48 is: 17,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.52 : 20,444.16 = 12,804.48 : x
  2. Step 2: Convert to fraction form
    14,803.52/20,444.16 = 12,804.48/x
  3. Step 3: Cross multiply
    14,803.52x = 20,444.16 × 12,804.48
  4. Step 4: Simplify right side
    14,803.52x = 261,776,837.84
  5. Step 5: Solve for x
    x = 261,776,837.84/14,803.52
  6. Step 6: Final answer
    x = 17,683.42

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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.