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Finding the Fourth Proportional to 37,457.76, 51,690.76 and 21,541.84

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Solution

The fourth proportional to 37,457.76, 51,690.76 and 21,541.84 is: 29,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,457.76 : 51,690.76 = 21,541.84 : x
  2. Step 2: Convert to fraction form
    37,457.76/51,690.76 = 21,541.84/x
  3. Step 3: Cross multiply
    37,457.76x = 51,690.76 × 21,541.84
  4. Step 4: Simplify right side
    37,457.76x = 1,113,514,081.40
  5. Step 5: Solve for x
    x = 1,113,514,081.40/37,457.76
  6. Step 6: Final answer
    x = 29,727.19

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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.