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Finding the Fourth Proportional to 52,291.77, 78,438.47 and 16,759.77

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Solution

The fourth proportional to 52,291.77, 78,438.47 and 16,759.77 is: 25,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.77 : 78,438.47 = 16,759.77 : x
  2. Step 2: Convert to fraction form
    52,291.77/78,438.47 = 16,759.77/x
  3. Step 3: Cross multiply
    52,291.77x = 78,438.47 × 16,759.77
  4. Step 4: Simplify right side
    52,291.77x = 1,314,610,632.55
  5. Step 5: Solve for x
    x = 1,314,610,632.55/52,291.77
  6. Step 6: Final answer
    x = 25,139.91

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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.