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Finding the Fourth Proportional to 52,604.60, 78,859.92 and 19,316.93

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Solution

The fourth proportional to 52,604.60, 78,859.92 and 19,316.93 is: 28,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.60 : 78,859.92 = 19,316.93 : x
  2. Step 2: Convert to fraction form
    52,604.60/78,859.92 = 19,316.93/x
  3. Step 3: Cross multiply
    52,604.60x = 78,859.92 × 19,316.93
  4. Step 4: Simplify right side
    52,604.60x = 1,523,331,554.45
  5. Step 5: Solve for x
    x = 1,523,331,554.45/52,604.60
  6. Step 6: Final answer
    x = 28,958.14

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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.