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Finding the Fourth Proportional to 8,482.35, 11,705.63 and 4,706.10

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Solution

The fourth proportional to 8,482.35, 11,705.63 and 4,706.10 is: 6,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.35 : 11,705.63 = 4,706.10 : x
  2. Step 2: Convert to fraction form
    8,482.35/11,705.63 = 4,706.10/x
  3. Step 3: Cross multiply
    8,482.35x = 11,705.63 × 4,706.10
  4. Step 4: Simplify right side
    8,482.35x = 55,087,806.81
  5. Step 5: Solve for x
    x = 55,087,806.81/8,482.35
  6. Step 6: Final answer
    x = 6,494.40

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Double scale
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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.