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Finding the Fourth Proportional to 34,937.71, 48,211.61 and 19,830.67

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Solution

The fourth proportional to 34,937.71, 48,211.61 and 19,830.67 is: 27,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,937.71 : 48,211.61 = 19,830.67 : x
  2. Step 2: Convert to fraction form
    34,937.71/48,211.61 = 19,830.67/x
  3. Step 3: Cross multiply
    34,937.71x = 48,211.61 × 19,830.67
  4. Step 4: Simplify right side
    34,937.71x = 956,068,308.40
  5. Step 5: Solve for x
    x = 956,068,308.40/34,937.71
  6. Step 6: Final answer
    x = 27,364.94

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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.