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Finding the Fourth Proportional to 37,683.84, 56,482.80 and 15,468.72

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Solution

The fourth proportional to 37,683.84, 56,482.80 and 15,468.72 is: 23,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.84 : 56,482.80 = 15,468.72 : x
  2. Step 2: Convert to fraction form
    37,683.84/56,482.80 = 15,468.72/x
  3. Step 3: Cross multiply
    37,683.84x = 56,482.80 × 15,468.72
  4. Step 4: Simplify right side
    37,683.84x = 873,716,618.02
  5. Step 5: Solve for x
    x = 873,716,618.02/37,683.84
  6. Step 6: Final answer
    x = 23,185.45

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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.