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Finding the Fourth Proportional to 36,886.80, 55,330.20 and 10,592.40

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Solution

The fourth proportional to 36,886.80, 55,330.20 and 10,592.40 is: 15,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.80 : 55,330.20 = 10,592.40 : x
  2. Step 2: Convert to fraction form
    36,886.80/55,330.20 = 10,592.40/x
  3. Step 3: Cross multiply
    36,886.80x = 55,330.20 × 10,592.40
  4. Step 4: Simplify right side
    36,886.80x = 586,079,610.48
  5. Step 5: Solve for x
    x = 586,079,610.48/36,886.80
  6. Step 6: Final answer
    x = 15,888.60

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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.