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Finding the Fourth Proportional to 25,393.42, 35,043.06 and 14,063.28

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Solution

The fourth proportional to 25,393.42, 35,043.06 and 14,063.28 is: 19,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.42 : 35,043.06 = 14,063.28 : x
  2. Step 2: Convert to fraction form
    25,393.42/35,043.06 = 14,063.28/x
  3. Step 3: Cross multiply
    25,393.42x = 35,043.06 × 14,063.28
  4. Step 4: Simplify right side
    25,393.42x = 492,820,364.84
  5. Step 5: Solve for x
    x = 492,820,364.84/25,393.42
  6. Step 6: Final answer
    x = 19,407.40

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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.