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Finding the Fourth Proportional to 62,133.46, 85,746.58 and 35,278.45

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Solution

The fourth proportional to 62,133.46, 85,746.58 and 35,278.45 is: 48,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,133.46 : 85,746.58 = 35,278.45 : x
  2. Step 2: Convert to fraction form
    62,133.46/85,746.58 = 35,278.45/x
  3. Step 3: Cross multiply
    62,133.46x = 85,746.58 × 35,278.45
  4. Step 4: Simplify right side
    62,133.46x = 3,025,006,132.64
  5. Step 5: Solve for x
    x = 3,025,006,132.64/62,133.46
  6. Step 6: Final answer
    x = 48,685.62

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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.