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Finding the Fourth Proportional to 40,837,514.80, 57,215,036 and 40,837,514.80

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Solution

The fourth proportional to 40,837,514.80, 57,215,036 and 40,837,514.80 is: 57,215,036

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837,514.80 : 57,215,036 = 40,837,514.80 : x
  2. Step 2: Convert to fraction form
    40,837,514.80/57,215,036 = 40,837,514.80/x
  3. Step 3: Cross multiply
    40,837,514.80x = 57,215,036 × 40,837,514.80
  4. Step 4: Simplify right side
    40,837,514.80x = 2,336,519,879,432,532.50
  5. Step 5: Solve for x
    x = 2,336,519,879,432,532.50/40,837,514.80
  6. Step 6: Final answer
    x = 57,215,036

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.