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Finding the Fourth Proportional to 37,357.80, 51,531.30 and 29,387.40

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Solution

The fourth proportional to 37,357.80, 51,531.30 and 29,387.40 is: 40,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357.80 : 51,531.30 = 29,387.40 : x
  2. Step 2: Convert to fraction form
    37,357.80/51,531.30 = 29,387.40/x
  3. Step 3: Cross multiply
    37,357.80x = 51,531.30 × 29,387.40
  4. Step 4: Simplify right side
    37,357.80x = 1,514,370,925.62
  5. Step 5: Solve for x
    x = 1,514,370,925.62/37,357.80
  6. Step 6: Final answer
    x = 40,536.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.