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Finding the Fourth Proportional to 17,668,239.40, 26,502,949.59 and 4,887,673.84

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Solution

The fourth proportional to 17,668,239.40, 26,502,949.59 and 4,887,673.84 is: 7,331,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668,239.40 : 26,502,949.59 = 4,887,673.84 : x
  2. Step 2: Convert to fraction form
    17,668,239.40/26,502,949.59 = 4,887,673.84/x
  3. Step 3: Cross multiply
    17,668,239.40x = 26,502,949.59 × 4,887,673.84
  4. Step 4: Simplify right side
    17,668,239.40x = 129,537,773,393,881.72
  5. Step 5: Solve for x
    x = 129,537,773,393,881.72/17,668,239.40
  6. Step 6: Final answer
    x = 7,331,674.11

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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.