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Finding the Fourth Proportional to 9,857,715.30, 14,786,572.95 and 9,479,801.70

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Solution

The fourth proportional to 9,857,715.30, 14,786,572.95 and 9,479,801.70 is: 14,219,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857,715.30 : 14,786,572.95 = 9,479,801.70 : x
  2. Step 2: Convert to fraction form
    9,857,715.30/14,786,572.95 = 9,479,801.70/x
  3. Step 3: Cross multiply
    9,857,715.30x = 14,786,572.95 × 9,479,801.70
  4. Step 4: Simplify right side
    9,857,715.30x = 140,173,779,388,584
  5. Step 5: Solve for x
    x = 140,173,779,388,584/9,857,715.30
  6. Step 6: Final answer
    x = 14,219,702.55

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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.