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Finding the Fourth Proportional to 45,283.59, 67,936.32 and 15,700.77

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Solution

The fourth proportional to 45,283.59, 67,936.32 and 15,700.77 is: 23,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.59 : 67,936.32 = 15,700.77 : x
  2. Step 2: Convert to fraction form
    45,283.59/67,936.32 = 15,700.77/x
  3. Step 3: Cross multiply
    45,283.59x = 67,936.32 × 15,700.77
  4. Step 4: Simplify right side
    45,283.59x = 1,066,652,534.97
  5. Step 5: Solve for x
    x = 1,066,652,534.97/45,283.59
  6. Step 6: Final answer
    x = 23,554.95

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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.