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Finding the Fourth Proportional to 35,644.94, 49,200.97 and 20,547.69

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Solution

The fourth proportional to 35,644.94, 49,200.97 and 20,547.69 is: 28,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.94 : 49,200.97 = 20,547.69 : x
  2. Step 2: Convert to fraction form
    35,644.94/49,200.97 = 20,547.69/x
  3. Step 3: Cross multiply
    35,644.94x = 49,200.97 × 20,547.69
  4. Step 4: Simplify right side
    35,644.94x = 1,010,966,227.89
  5. Step 5: Solve for x
    x = 1,010,966,227.89/35,644.94
  6. Step 6: Final answer
    x = 28,362.13

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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.