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Finding the Fourth Proportional to 29,661.84, 44,281.12 and 28,623.76

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Solution

The fourth proportional to 29,661.84, 44,281.12 and 28,623.76 is: 42,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.84 : 44,281.12 = 28,623.76 : x
  2. Step 2: Convert to fraction form
    29,661.84/44,281.12 = 28,623.76/x
  3. Step 3: Cross multiply
    29,661.84x = 44,281.12 × 28,623.76
  4. Step 4: Simplify right side
    29,661.84x = 1,267,492,151.41
  5. Step 5: Solve for x
    x = 1,267,492,151.41/29,661.84
  6. Step 6: Final answer
    x = 42,731.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.