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Finding the Fourth Proportional to 35,295.69, 48,708.14 and 19,381.15

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Solution

The fourth proportional to 35,295.69, 48,708.14 and 19,381.15 is: 26,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.69 : 48,708.14 = 19,381.15 : x
  2. Step 2: Convert to fraction form
    35,295.69/48,708.14 = 19,381.15/x
  3. Step 3: Cross multiply
    35,295.69x = 48,708.14 × 19,381.15
  4. Step 4: Simplify right side
    35,295.69x = 944,019,767.56
  5. Step 5: Solve for x
    x = 944,019,767.56/35,295.69
  6. Step 6: Final answer
    x = 26,746.04

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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.