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Finding the Fourth Proportional to 52,526.84, 72,486.58 and 28,653

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Solution

The fourth proportional to 52,526.84, 72,486.58 and 28,653 is: 39,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.84 : 72,486.58 = 28,653 : x
  2. Step 2: Convert to fraction form
    52,526.84/72,486.58 = 28,653/x
  3. Step 3: Cross multiply
    52,526.84x = 72,486.58 × 28,653
  4. Step 4: Simplify right side
    52,526.84x = 2,076,957,976.74
  5. Step 5: Solve for x
    x = 2,076,957,976.74/52,526.84
  6. Step 6: Final answer
    x = 39,540.89

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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.