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Finding the Fourth Proportional to 27,457.29, 37,890.04 and 14,881.77

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Solution

The fourth proportional to 27,457.29, 37,890.04 and 14,881.77 is: 20,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.29 : 37,890.04 = 14,881.77 : x
  2. Step 2: Convert to fraction form
    27,457.29/37,890.04 = 14,881.77/x
  3. Step 3: Cross multiply
    27,457.29x = 37,890.04 × 14,881.77
  4. Step 4: Simplify right side
    27,457.29x = 563,870,860.57
  5. Step 5: Solve for x
    x = 563,870,860.57/27,457.29
  6. Step 6: Final answer
    x = 20,536.29

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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.