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Finding the Fourth Proportional to 34,486.71, 51,702.15 and 10,782.05

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Solution

The fourth proportional to 34,486.71, 51,702.15 and 10,782.05 is: 16,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.71 : 51,702.15 = 10,782.05 : x
  2. Step 2: Convert to fraction form
    34,486.71/51,702.15 = 10,782.05/x
  3. Step 3: Cross multiply
    34,486.71x = 51,702.15 × 10,782.05
  4. Step 4: Simplify right side
    34,486.71x = 557,455,166.41
  5. Step 5: Solve for x
    x = 557,455,166.41/34,486.71
  6. Step 6: Final answer
    x = 16,164.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.