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Finding the Fourth Proportional to 27,461.80, 37,894.80 and 15,526.18

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Solution

The fourth proportional to 27,461.80, 37,894.80 and 15,526.18 is: 21,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,461.80 : 37,894.80 = 15,526.18 : x
  2. Step 2: Convert to fraction form
    27,461.80/37,894.80 = 15,526.18/x
  3. Step 3: Cross multiply
    27,461.80x = 37,894.80 × 15,526.18
  4. Step 4: Simplify right side
    27,461.80x = 588,361,485.86
  5. Step 5: Solve for x
    x = 588,361,485.86/27,461.80
  6. Step 6: Final answer
    x = 21,424.72

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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.