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Finding the Fourth Proportional to 9,895.80, 14,843.70 and 9,701.40

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Solution

The fourth proportional to 9,895.80, 14,843.70 and 9,701.40 is: 14,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.80 : 14,843.70 = 9,701.40 : x
  2. Step 2: Convert to fraction form
    9,895.80/14,843.70 = 9,701.40/x
  3. Step 3: Cross multiply
    9,895.80x = 14,843.70 × 9,701.40
  4. Step 4: Simplify right side
    9,895.80x = 144,004,671.18
  5. Step 5: Solve for x
    x = 144,004,671.18/9,895.80
  6. Step 6: Final answer
    x = 14,552.10

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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.