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Finding the Fourth Proportional to 9,966.04, 14,950.43 and 4,419.26

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Solution

The fourth proportional to 9,966.04, 14,950.43 and 4,419.26 is: 6,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.04 : 14,950.43 = 4,419.26 : x
  2. Step 2: Convert to fraction form
    9,966.04/14,950.43 = 4,419.26/x
  3. Step 3: Cross multiply
    9,966.04x = 14,950.43 × 4,419.26
  4. Step 4: Simplify right side
    9,966.04x = 66,069,813.07
  5. Step 5: Solve for x
    x = 66,069,813.07/9,966.04
  6. Step 6: Final answer
    x = 6,629.50

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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.