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Finding the Fourth Proportional to 34,984.87, 48,279.71 and 19,070.19

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Solution

The fourth proportional to 34,984.87, 48,279.71 and 19,070.19 is: 26,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.87 : 48,279.71 = 19,070.19 : x
  2. Step 2: Convert to fraction form
    34,984.87/48,279.71 = 19,070.19/x
  3. Step 3: Cross multiply
    34,984.87x = 48,279.71 × 19,070.19
  4. Step 4: Simplify right side
    34,984.87x = 920,703,290.52
  5. Step 5: Solve for x
    x = 920,703,290.52/34,984.87
  6. Step 6: Final answer
    x = 26,317.19

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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.