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Finding the Fourth Proportional to 35,412.53, 48,869.32 and 19,496.98

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Solution

The fourth proportional to 35,412.53, 48,869.32 and 19,496.98 is: 26,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.53 : 48,869.32 = 19,496.98 : x
  2. Step 2: Convert to fraction form
    35,412.53/48,869.32 = 19,496.98/x
  3. Step 3: Cross multiply
    35,412.53x = 48,869.32 × 19,496.98
  4. Step 4: Simplify right side
    35,412.53x = 952,804,154.65
  5. Step 5: Solve for x
    x = 952,804,154.65/35,412.53
  6. Step 6: Final answer
    x = 26,905.85

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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.