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Finding the Fourth Proportional to 17,805,210.40, 26,735,809.20 and 10,246,938.40

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Solution

The fourth proportional to 17,805,210.40, 26,735,809.20 and 10,246,938.40 is: 15,386,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805,210.40 : 26,735,809.20 = 10,246,938.40 : x
  2. Step 2: Convert to fraction form
    17,805,210.40/26,735,809.20 = 10,246,938.40/x
  3. Step 3: Cross multiply
    17,805,210.40x = 26,735,809.20 × 10,246,938.40
  4. Step 4: Simplify right side
    17,805,210.40x = 273,960,189,946,553.28
  5. Step 5: Solve for x
    x = 273,960,189,946,553.28/17,805,210.40
  6. Step 6: Final answer
    x = 15,386,517.98

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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.