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Finding the Fourth Proportional to 55,790.71, 83,686.02 and 14,237.71

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Solution

The fourth proportional to 55,790.71, 83,686.02 and 14,237.71 is: 21,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,790.71 : 83,686.02 = 14,237.71 : x
  2. Step 2: Convert to fraction form
    55,790.71/83,686.02 = 14,237.71/x
  3. Step 3: Cross multiply
    55,790.71x = 83,686.02 × 14,237.71
  4. Step 4: Simplify right side
    55,790.71x = 1,191,497,283.81
  5. Step 5: Solve for x
    x = 1,191,497,283.81/55,790.71
  6. Step 6: Final answer
    x = 21,356.55

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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.