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Finding the Fourth Proportional to 9,878.35, 14,817.37 and 2,482.81

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Solution

The fourth proportional to 9,878.35, 14,817.37 and 2,482.81 is: 3,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.35 : 14,817.37 = 2,482.81 : x
  2. Step 2: Convert to fraction form
    9,878.35/14,817.37 = 2,482.81/x
  3. Step 3: Cross multiply
    9,878.35x = 14,817.37 × 2,482.81
  4. Step 4: Simplify right side
    9,878.35x = 36,788,714.41
  5. Step 5: Solve for x
    x = 36,788,714.41/9,878.35
  6. Step 6: Final answer
    x = 3,724.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.