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Finding the Fourth Proportional to 51,594.84, 71,201.52 and 28,938.69

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Solution

The fourth proportional to 51,594.84, 71,201.52 and 28,938.69 is: 39,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,594.84 : 71,201.52 = 28,938.69 : x
  2. Step 2: Convert to fraction form
    51,594.84/71,201.52 = 28,938.69/x
  3. Step 3: Cross multiply
    51,594.84x = 71,201.52 × 28,938.69
  4. Step 4: Simplify right side
    51,594.84x = 2,060,478,714.81
  5. Step 5: Solve for x
    x = 2,060,478,714.81/51,594.84
  6. Step 6: Final answer
    x = 39,935.75

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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.