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Finding the Fourth Proportional to 55,696.68, 83,544.84 and 14,143.68

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Solution

The fourth proportional to 55,696.68, 83,544.84 and 14,143.68 is: 21,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.68 : 83,544.84 = 14,143.68 : x
  2. Step 2: Convert to fraction form
    55,696.68/83,544.84 = 14,143.68/x
  3. Step 3: Cross multiply
    55,696.68x = 83,544.84 × 14,143.68
  4. Step 4: Simplify right side
    55,696.68x = 1,181,631,482.61
  5. Step 5: Solve for x
    x = 1,181,631,482.61/55,696.68
  6. Step 6: Final answer
    x = 21,215.47

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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.