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Finding the Fourth Proportional to 14,482.93, 19,983.21 and 8,820.64

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Solution

The fourth proportional to 14,482.93, 19,983.21 and 8,820.64 is: 12,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.93 : 19,983.21 = 8,820.64 : x
  2. Step 2: Convert to fraction form
    14,482.93/19,983.21 = 8,820.64/x
  3. Step 3: Cross multiply
    14,482.93x = 19,983.21 × 8,820.64
  4. Step 4: Simplify right side
    14,482.93x = 176,264,701.45
  5. Step 5: Solve for x
    x = 176,264,701.45/14,482.93
  6. Step 6: Final answer
    x = 12,170.51

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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.