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Finding the Fourth Proportional to 14,985.42, 22,482.93 and 7,194.78

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Solution

The fourth proportional to 14,985.42, 22,482.93 and 7,194.78 is: 10,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.42 : 22,482.93 = 7,194.78 : x
  2. Step 2: Convert to fraction form
    14,985.42/22,482.93 = 7,194.78/x
  3. Step 3: Cross multiply
    14,985.42x = 22,482.93 × 7,194.78
  4. Step 4: Simplify right side
    14,985.42x = 161,759,735.11
  5. Step 5: Solve for x
    x = 161,759,735.11/14,985.42
  6. Step 6: Final answer
    x = 10,794.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.