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Finding the Fourth Proportional to 7,124.34, 9,834.66 and 4,897.71

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Solution

The fourth proportional to 7,124.34, 9,834.66 and 4,897.71 is: 6,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.34 : 9,834.66 = 4,897.71 : x
  2. Step 2: Convert to fraction form
    7,124.34/9,834.66 = 4,897.71/x
  3. Step 3: Cross multiply
    7,124.34x = 9,834.66 × 4,897.71
  4. Step 4: Simplify right side
    7,124.34x = 48,167,312.63
  5. Step 5: Solve for x
    x = 48,167,312.63/7,124.34
  6. Step 6: Final answer
    x = 6,760.95

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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.