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Finding the Fourth Proportional to 25,706.83, 35,477.23 and 14,377.38

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Solution

The fourth proportional to 25,706.83, 35,477.23 and 14,377.38 is: 19,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.83 : 35,477.23 = 14,377.38 : x
  2. Step 2: Convert to fraction form
    25,706.83/35,477.23 = 14,377.38/x
  3. Step 3: Cross multiply
    25,706.83x = 35,477.23 × 14,377.38
  4. Step 4: Simplify right side
    25,706.83x = 510,069,615.25
  5. Step 5: Solve for x
    x = 510,069,615.25/25,706.83
  6. Step 6: Final answer
    x = 19,841.79

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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.