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Finding the Fourth Proportional to 35,412.54, 48,868.89 and 19,496.64

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Solution

The fourth proportional to 35,412.54, 48,868.89 and 19,496.64 is: 26,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.54 : 48,868.89 = 19,496.64 : x
  2. Step 2: Convert to fraction form
    35,412.54/48,868.89 = 19,496.64/x
  3. Step 3: Cross multiply
    35,412.54x = 48,868.89 × 19,496.64
  4. Step 4: Simplify right side
    35,412.54x = 952,779,155.53
  5. Step 5: Solve for x
    x = 952,779,155.53/35,412.54
  6. Step 6: Final answer
    x = 26,905.13

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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.