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Finding the Fourth Proportional to 37,447.80, 56,188.04 and 19,897.08

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Solution

The fourth proportional to 37,447.80, 56,188.04 and 19,897.08 is: 29,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,447.80 : 56,188.04 = 19,897.08 : x
  2. Step 2: Convert to fraction form
    37,447.80/56,188.04 = 19,897.08/x
  3. Step 3: Cross multiply
    37,447.80x = 56,188.04 × 19,897.08
  4. Step 4: Simplify right side
    37,447.80x = 1,117,977,926.92
  5. Step 5: Solve for x
    x = 1,117,977,926.92/37,447.80
  6. Step 6: Final answer
    x = 29,854.30

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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.