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Finding the Fourth Proportional to 35,903.64, 49,547 and 20,797.14

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Solution

The fourth proportional to 35,903.64, 49,547 and 20,797.14 is: 28,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.64 : 49,547 = 20,797.14 : x
  2. Step 2: Convert to fraction form
    35,903.64/49,547 = 20,797.14/x
  3. Step 3: Cross multiply
    35,903.64x = 49,547 × 20,797.14
  4. Step 4: Simplify right side
    35,903.64x = 1,030,435,895.58
  5. Step 5: Solve for x
    x = 1,030,435,895.58/35,903.64
  6. Step 6: Final answer
    x = 28,700.04

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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.