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Finding the Fourth Proportional to 55,685.84, 83,527.48 and 13,566.08

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Solution

The fourth proportional to 55,685.84, 83,527.48 and 13,566.08 is: 20,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.84 : 83,527.48 = 13,566.08 : x
  2. Step 2: Convert to fraction form
    55,685.84/83,527.48 = 13,566.08/x
  3. Step 3: Cross multiply
    55,685.84x = 83,527.48 × 13,566.08
  4. Step 4: Simplify right side
    55,685.84x = 1,133,140,475.88
  5. Step 5: Solve for x
    x = 1,133,140,475.88/55,685.84
  6. Step 6: Final answer
    x = 20,348.81

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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.