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Finding the Fourth Proportional to 15,668,318.60, 23,502,477.90 and 15,668,318.60

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Solution

The fourth proportional to 15,668,318.60, 23,502,477.90 and 15,668,318.60 is: 23,502,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668,318.60 : 23,502,477.90 = 15,668,318.60 : x
  2. Step 2: Convert to fraction form
    15,668,318.60/23,502,477.90 = 15,668,318.60/x
  3. Step 3: Cross multiply
    15,668,318.60x = 23,502,477.90 × 15,668,318.60
  4. Step 4: Simplify right side
    15,668,318.60x = 368,244,311,626,658.94
  5. Step 5: Solve for x
    x = 368,244,311,626,658.94/15,668,318.60
  6. Step 6: Final answer
    x = 23,502,477.90

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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.