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Finding the Fourth Proportional to 35,673.68, 53,505.90 and 13,484.17

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Solution

The fourth proportional to 35,673.68, 53,505.90 and 13,484.17 is: 20,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.68 : 53,505.90 = 13,484.17 : x
  2. Step 2: Convert to fraction form
    35,673.68/53,505.90 = 13,484.17/x
  3. Step 3: Cross multiply
    35,673.68x = 53,505.90 × 13,484.17
  4. Step 4: Simplify right side
    35,673.68x = 721,482,718.49
  5. Step 5: Solve for x
    x = 721,482,718.49/35,673.68
  6. Step 6: Final answer
    x = 20,224.51

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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.