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Finding the Fourth Proportional to 15,765,364.10, 23,648,046.15 and 15,765,364.10

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Solution

The fourth proportional to 15,765,364.10, 23,648,046.15 and 15,765,364.10 is: 23,648,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,364.10 : 23,648,046.15 = 15,765,364.10 : x
  2. Step 2: Convert to fraction form
    15,765,364.10/23,648,046.15 = 15,765,364.10/x
  3. Step 3: Cross multiply
    15,765,364.10x = 23,648,046.15 × 15,765,364.10
  4. Step 4: Simplify right side
    15,765,364.10x = 372,820,057,808,353.19
  5. Step 5: Solve for x
    x = 372,820,057,808,353.19/15,765,364.10
  6. Step 6: Final answer
    x = 23,648,046.15

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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.