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Finding the Fourth Proportional to 16,482.75, 22,746.21 and 9,409.02

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Solution

The fourth proportional to 16,482.75, 22,746.21 and 9,409.02 is: 12,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.75 : 22,746.21 = 9,409.02 : x
  2. Step 2: Convert to fraction form
    16,482.75/22,746.21 = 9,409.02/x
  3. Step 3: Cross multiply
    16,482.75x = 22,746.21 × 9,409.02
  4. Step 4: Simplify right side
    16,482.75x = 214,019,544.81
  5. Step 5: Solve for x
    x = 214,019,544.81/16,482.75
  6. Step 6: Final answer
    x = 12,984.46

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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.