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Finding the Fourth Proportional to 7,852.68, 10,836.81 and 4,316.22

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Solution

The fourth proportional to 7,852.68, 10,836.81 and 4,316.22 is: 5,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.68 : 10,836.81 = 4,316.22 : x
  2. Step 2: Convert to fraction form
    7,852.68/10,836.81 = 4,316.22/x
  3. Step 3: Cross multiply
    7,852.68x = 10,836.81 × 4,316.22
  4. Step 4: Simplify right side
    7,852.68x = 46,774,056.06
  5. Step 5: Solve for x
    x = 46,774,056.06/7,852.68
  6. Step 6: Final answer
    x = 5,956.44

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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.