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Finding the Fourth Proportional to 52,520.76, 72,478.80 and 29,859.12

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Solution

The fourth proportional to 52,520.76, 72,478.80 and 29,859.12 is: 41,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.76 : 72,478.80 = 29,859.12 : x
  2. Step 2: Convert to fraction form
    52,520.76/72,478.80 = 29,859.12/x
  3. Step 3: Cross multiply
    52,520.76x = 72,478.80 × 29,859.12
  4. Step 4: Simplify right side
    52,520.76x = 2,164,153,186.66
  5. Step 5: Solve for x
    x = 2,164,153,186.66/52,520.76
  6. Step 6: Final answer
    x = 41,205.67

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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.