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Finding the Fourth Proportional to 6,361.74, 9,547.74 and 4,386.15

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Solution

The fourth proportional to 6,361.74, 9,547.74 and 4,386.15 is: 6,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.74 : 9,547.74 = 4,386.15 : x
  2. Step 2: Convert to fraction form
    6,361.74/9,547.74 = 4,386.15/x
  3. Step 3: Cross multiply
    6,361.74x = 9,547.74 × 4,386.15
  4. Step 4: Simplify right side
    6,361.74x = 41,877,819.80
  5. Step 5: Solve for x
    x = 41,877,819.80/6,361.74
  6. Step 6: Final answer
    x = 6,582.76

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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.