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Finding the Fourth Proportional to 9,927.60, 14,903.55 and 9,854.70

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Solution

The fourth proportional to 9,927.60, 14,903.55 and 9,854.70 is: 14,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.60 : 14,903.55 = 9,854.70 : x
  2. Step 2: Convert to fraction form
    9,927.60/14,903.55 = 9,854.70/x
  3. Step 3: Cross multiply
    9,927.60x = 14,903.55 × 9,854.70
  4. Step 4: Simplify right side
    9,927.60x = 146,870,014.19
  5. Step 5: Solve for x
    x = 146,870,014.19/9,927.60
  6. Step 6: Final answer
    x = 14,794.11

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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.