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Finding the Fourth Proportional to 29,639.82, 44,463.98 and 9,642.74

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Solution

The fourth proportional to 29,639.82, 44,463.98 and 9,642.74 is: 14,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.82 : 44,463.98 = 9,642.74 : x
  2. Step 2: Convert to fraction form
    29,639.82/44,463.98 = 9,642.74/x
  3. Step 3: Cross multiply
    29,639.82x = 44,463.98 × 9,642.74
  4. Step 4: Simplify right side
    29,639.82x = 428,754,598.51
  5. Step 5: Solve for x
    x = 428,754,598.51/29,639.82
  6. Step 6: Final answer
    x = 14,465.49

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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.