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Finding the Fourth Proportional to 14,303.38, 19,739.74 and 9,002.74

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Solution

The fourth proportional to 14,303.38, 19,739.74 and 9,002.74 is: 12,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.38 : 19,739.74 = 9,002.74 : x
  2. Step 2: Convert to fraction form
    14,303.38/19,739.74 = 9,002.74/x
  3. Step 3: Cross multiply
    14,303.38x = 19,739.74 × 9,002.74
  4. Step 4: Simplify right side
    14,303.38x = 177,711,746.89
  5. Step 5: Solve for x
    x = 177,711,746.89/14,303.38
  6. Step 6: Final answer
    x = 12,424.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.