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Finding the Fourth Proportional to 36,549.84, 54,830.48 and 15,489.92

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Solution

The fourth proportional to 36,549.84, 54,830.48 and 15,489.92 is: 23,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.84 : 54,830.48 = 15,489.92 : x
  2. Step 2: Convert to fraction form
    36,549.84/54,830.48 = 15,489.92/x
  3. Step 3: Cross multiply
    36,549.84x = 54,830.48 × 15,489.92
  4. Step 4: Simplify right side
    36,549.84x = 849,319,748.76
  5. Step 5: Solve for x
    x = 849,319,748.76/36,549.84
  6. Step 6: Final answer
    x = 23,237.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.