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Finding the Fourth Proportional to 14,303.98, 21,411.01 and 9,908.11

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Solution

The fourth proportional to 14,303.98, 21,411.01 and 9,908.11 is: 14,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.98 : 21,411.01 = 9,908.11 : x
  2. Step 2: Convert to fraction form
    14,303.98/21,411.01 = 9,908.11/x
  3. Step 3: Cross multiply
    14,303.98x = 21,411.01 × 9,908.11
  4. Step 4: Simplify right side
    14,303.98x = 212,142,642.29
  5. Step 5: Solve for x
    x = 212,142,642.29/14,303.98
  6. Step 6: Final answer
    x = 14,831.02

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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.