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Finding the Fourth Proportional to 35,700.66, 49,269.84 and 19,790.28

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Solution

The fourth proportional to 35,700.66, 49,269.84 and 19,790.28 is: 27,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,700.66 : 49,269.84 = 19,790.28 : x
  2. Step 2: Convert to fraction form
    35,700.66/49,269.84 = 19,790.28/x
  3. Step 3: Cross multiply
    35,700.66x = 49,269.84 × 19,790.28
  4. Step 4: Simplify right side
    35,700.66x = 975,063,929.16
  5. Step 5: Solve for x
    x = 975,063,929.16/35,700.66
  6. Step 6: Final answer
    x = 27,312.21

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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.