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Finding the Fourth Proportional to 31,353, 47,200.55 and 28,597.38

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Solution

The fourth proportional to 31,353, 47,200.55 and 28,597.38 is: 43,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353 : 47,200.55 = 28,597.38 : x
  2. Step 2: Convert to fraction form
    31,353/47,200.55 = 28,597.38/x
  3. Step 3: Cross multiply
    31,353x = 47,200.55 × 28,597.38
  4. Step 4: Simplify right side
    31,353x = 1,349,811,921.57
  5. Step 5: Solve for x
    x = 1,349,811,921.57/31,353
  6. Step 6: Final answer
    x = 43,052.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.