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Finding the Fourth Proportional to 29,712.51, 44,569.55 and 8,651.70

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Solution

The fourth proportional to 29,712.51, 44,569.55 and 8,651.70 is: 12,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,712.51 : 44,569.55 = 8,651.70 : x
  2. Step 2: Convert to fraction form
    29,712.51/44,569.55 = 8,651.70/x
  3. Step 3: Cross multiply
    29,712.51x = 44,569.55 × 8,651.70
  4. Step 4: Simplify right side
    29,712.51x = 385,602,332.48
  5. Step 5: Solve for x
    x = 385,602,332.48/29,712.51
  6. Step 6: Final answer
    x = 12,977.78

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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.