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Finding the Fourth Proportional to 25,980.39, 35,852.91 and 14,802.39

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Solution

The fourth proportional to 25,980.39, 35,852.91 and 14,802.39 is: 20,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.39 : 35,852.91 = 14,802.39 : x
  2. Step 2: Convert to fraction form
    25,980.39/35,852.91 = 14,802.39/x
  3. Step 3: Cross multiply
    25,980.39x = 35,852.91 × 14,802.39
  4. Step 4: Simplify right side
    25,980.39x = 530,708,756.45
  5. Step 5: Solve for x
    x = 530,708,756.45/25,980.39
  6. Step 6: Final answer
    x = 20,427.28

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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.