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Finding the Fourth Proportional to 58,283.53, 80,431.39 and 34,411.74

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Solution

The fourth proportional to 58,283.53, 80,431.39 and 34,411.74 is: 47,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,283.53 : 80,431.39 = 34,411.74 : x
  2. Step 2: Convert to fraction form
    58,283.53/80,431.39 = 34,411.74/x
  3. Step 3: Cross multiply
    58,283.53x = 80,431.39 × 34,411.74
  4. Step 4: Simplify right side
    58,283.53x = 2,767,784,080.52
  5. Step 5: Solve for x
    x = 2,767,784,080.52/58,283.53
  6. Step 6: Final answer
    x = 47,488.27

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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.