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Finding the Fourth Proportional to 25,992.88, 35,870.08 and 14,056.16

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Solution

The fourth proportional to 25,992.88, 35,870.08 and 14,056.16 is: 19,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.88 : 35,870.08 = 14,056.16 : x
  2. Step 2: Convert to fraction form
    25,992.88/35,870.08 = 14,056.16/x
  3. Step 3: Cross multiply
    25,992.88x = 35,870.08 × 14,056.16
  4. Step 4: Simplify right side
    25,992.88x = 504,195,583.69
  5. Step 5: Solve for x
    x = 504,195,583.69/25,992.88
  6. Step 6: Final answer
    x = 19,397.45

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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.