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Finding the Fourth Proportional to 52,527.70, 72,488.58 and 28,654.54

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Solution

The fourth proportional to 52,527.70, 72,488.58 and 28,654.54 is: 39,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.70 : 72,488.58 = 28,654.54 : x
  2. Step 2: Convert to fraction form
    52,527.70/72,488.58 = 28,654.54/x
  3. Step 3: Cross multiply
    52,527.70x = 72,488.58 × 28,654.54
  4. Step 4: Simplify right side
    52,527.70x = 2,077,126,915.15
  5. Step 5: Solve for x
    x = 2,077,126,915.15/52,527.70
  6. Step 6: Final answer
    x = 39,543.46

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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.