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Finding the Fourth Proportional to 35,689.74, 49,254.84 and 19,775.67

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Solution

The fourth proportional to 35,689.74, 49,254.84 and 19,775.67 is: 27,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.74 : 49,254.84 = 19,775.67 : x
  2. Step 2: Convert to fraction form
    35,689.74/49,254.84 = 19,775.67/x
  3. Step 3: Cross multiply
    35,689.74x = 49,254.84 × 19,775.67
  4. Step 4: Simplify right side
    35,689.74x = 974,047,461.74
  5. Step 5: Solve for x
    x = 974,047,461.74/35,689.74
  6. Step 6: Final answer
    x = 27,292.09

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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.