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Finding the Fourth Proportional to 14,597.80, 21,896.70 and 8,751.40

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Solution

The fourth proportional to 14,597.80, 21,896.70 and 8,751.40 is: 13,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.80 : 21,896.70 = 8,751.40 : x
  2. Step 2: Convert to fraction form
    14,597.80/21,896.70 = 8,751.40/x
  3. Step 3: Cross multiply
    14,597.80x = 21,896.70 × 8,751.40
  4. Step 4: Simplify right side
    14,597.80x = 191,626,780.38
  5. Step 5: Solve for x
    x = 191,626,780.38/14,597.80
  6. Step 6: Final answer
    x = 13,127.10

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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.