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Finding the Fourth Proportional to 22,265,428.60, 31,216,389.80 and 22,265,428.60

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Solution

The fourth proportional to 22,265,428.60, 31,216,389.80 and 22,265,428.60 is: 31,216,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265,428.60 : 31,216,389.80 = 22,265,428.60 : x
  2. Step 2: Convert to fraction form
    22,265,428.60/31,216,389.80 = 22,265,428.60/x
  3. Step 3: Cross multiply
    22,265,428.60x = 31,216,389.80 × 22,265,428.60
  4. Step 4: Simplify right side
    22,265,428.60x = 695,046,298,241,668.38
  5. Step 5: Solve for x
    x = 695,046,298,241,668.38/22,265,428.60
  6. Step 6: Final answer
    x = 31,216,389.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.