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Finding the Fourth Proportional to 52,498.76, 72,474.12 and 36,378.28

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Solution

The fourth proportional to 52,498.76, 72,474.12 and 36,378.28 is: 50,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,498.76 : 72,474.12 = 36,378.28 : x
  2. Step 2: Convert to fraction form
    52,498.76/72,474.12 = 36,378.28/x
  3. Step 3: Cross multiply
    52,498.76x = 72,474.12 × 36,378.28
  4. Step 4: Simplify right side
    52,498.76x = 2,636,483,830.11
  5. Step 5: Solve for x
    x = 2,636,483,830.11/52,498.76
  6. Step 6: Final answer
    x = 50,219.93

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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.