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Finding the Fourth Proportional to 30,660.04, 45,988.98 and 9,883

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Solution

The fourth proportional to 30,660.04, 45,988.98 and 9,883 is: 14,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.04 : 45,988.98 = 9,883 : x
  2. Step 2: Convert to fraction form
    30,660.04/45,988.98 = 9,883/x
  3. Step 3: Cross multiply
    30,660.04x = 45,988.98 × 9,883
  4. Step 4: Simplify right side
    30,660.04x = 454,509,089.34
  5. Step 5: Solve for x
    x = 454,509,089.34/30,660.04
  6. Step 6: Final answer
    x = 14,824.15

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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.