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Finding the Fourth Proportional to 14,884.52, 20,539.13 and 8,916.03

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Solution

The fourth proportional to 14,884.52, 20,539.13 and 8,916.03 is: 12,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.52 : 20,539.13 = 8,916.03 : x
  2. Step 2: Convert to fraction form
    14,884.52/20,539.13 = 8,916.03/x
  3. Step 3: Cross multiply
    14,884.52x = 20,539.13 × 8,916.03
  4. Step 4: Simplify right side
    14,884.52x = 183,127,454.67
  5. Step 5: Solve for x
    x = 183,127,454.67/14,884.52
  6. Step 6: Final answer
    x = 12,303.22

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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.