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Finding the Fourth Proportional to 48,740.76, 67,262.72 and 28,597.99

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Solution

The fourth proportional to 48,740.76, 67,262.72 and 28,597.99 is: 39,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.76 : 67,262.72 = 28,597.99 : x
  2. Step 2: Convert to fraction form
    48,740.76/67,262.72 = 28,597.99/x
  3. Step 3: Cross multiply
    48,740.76x = 67,262.72 × 28,597.99
  4. Step 4: Simplify right side
    48,740.76x = 1,923,578,259.94
  5. Step 5: Solve for x
    x = 1,923,578,259.94/48,740.76
  6. Step 6: Final answer
    x = 39,465.49

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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.