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Finding the Fourth Proportional to 52,740.38, 79,123.53 and 15,804.38

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Solution

The fourth proportional to 52,740.38, 79,123.53 and 15,804.38 is: 23,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.38 : 79,123.53 = 15,804.38 : x
  2. Step 2: Convert to fraction form
    52,740.38/79,123.53 = 15,804.38/x
  3. Step 3: Cross multiply
    52,740.38x = 79,123.53 × 15,804.38
  4. Step 4: Simplify right side
    52,740.38x = 1,250,497,860.42
  5. Step 5: Solve for x
    x = 1,250,497,860.42/52,740.38
  6. Step 6: Final answer
    x = 23,710.45

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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.