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Finding the Fourth Proportional to 8,973,009.10, 13,459,513.65 and 8,973,009.10

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Solution

The fourth proportional to 8,973,009.10, 13,459,513.65 and 8,973,009.10 is: 13,459,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,009.10 : 13,459,513.65 = 8,973,009.10 : x
  2. Step 2: Convert to fraction form
    8,973,009.10/13,459,513.65 = 8,973,009.10/x
  3. Step 3: Cross multiply
    8,973,009.10x = 13,459,513.65 × 8,973,009.10
  4. Step 4: Simplify right side
    8,973,009.10x = 120,772,338,463,024.22
  5. Step 5: Solve for x
    x = 120,772,338,463,024.22/8,973,009.10
  6. Step 6: Final answer
    x = 13,459,513.65

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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.