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Finding the Fourth Proportional to 62,283.53, 85,934.76 and 35,421.70

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Solution

The fourth proportional to 62,283.53, 85,934.76 and 35,421.70 is: 48,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,283.53 : 85,934.76 = 35,421.70 : x
  2. Step 2: Convert to fraction form
    62,283.53/85,934.76 = 35,421.70/x
  3. Step 3: Cross multiply
    62,283.53x = 85,934.76 × 35,421.70
  4. Step 4: Simplify right side
    62,283.53x = 3,043,955,111.18
  5. Step 5: Solve for x
    x = 3,043,955,111.18/62,283.53
  6. Step 6: Final answer
    x = 48,872.56

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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.