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Finding the Fourth Proportional to 35,064.54, 48,386.94 and 19,145.76

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Solution

The fourth proportional to 35,064.54, 48,386.94 and 19,145.76 is: 26,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,064.54 : 48,386.94 = 19,145.76 : x
  2. Step 2: Convert to fraction form
    35,064.54/48,386.94 = 19,145.76/x
  3. Step 3: Cross multiply
    35,064.54x = 48,386.94 × 19,145.76
  4. Step 4: Simplify right side
    35,064.54x = 926,404,740.37
  5. Step 5: Solve for x
    x = 926,404,740.37/35,064.54
  6. Step 6: Final answer
    x = 26,419.99

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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.