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Finding the Fourth Proportional to 14,303.70, 21,435.80 and 10,323.23

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Solution

The fourth proportional to 14,303.70, 21,435.80 and 10,323.23 is: 15,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.70 : 21,435.80 = 10,323.23 : x
  2. Step 2: Convert to fraction form
    14,303.70/21,435.80 = 10,323.23/x
  3. Step 3: Cross multiply
    14,303.70x = 21,435.80 × 10,323.23
  4. Step 4: Simplify right side
    14,303.70x = 221,286,586.46
  5. Step 5: Solve for x
    x = 221,286,586.46/14,303.70
  6. Step 6: Final answer
    x = 15,470.58

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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.