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Finding the Fourth Proportional to 7,035.68, 10,547.68 and 2,650.72

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Solution

The fourth proportional to 7,035.68, 10,547.68 and 2,650.72 is: 3,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.68 : 10,547.68 = 2,650.72 : x
  2. Step 2: Convert to fraction form
    7,035.68/10,547.68 = 2,650.72/x
  3. Step 3: Cross multiply
    7,035.68x = 10,547.68 × 2,650.72
  4. Step 4: Simplify right side
    7,035.68x = 27,958,946.33
  5. Step 5: Solve for x
    x = 27,958,946.33/7,035.68
  6. Step 6: Final answer
    x = 3,973.88

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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.