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Finding the Fourth Proportional to 44,904,960.48, 61,978,459.32 and 28,374,590.64

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Solution

The fourth proportional to 44,904,960.48, 61,978,459.32 and 28,374,590.64 is: 39,163,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,904,960.48 : 61,978,459.32 = 28,374,590.64 : x
  2. Step 2: Convert to fraction form
    44,904,960.48/61,978,459.32 = 28,374,590.64/x
  3. Step 3: Cross multiply
    44,904,960.48x = 61,978,459.32 × 28,374,590.64
  4. Step 4: Simplify right side
    44,904,960.48x = 1,758,613,411,702,892.75
  5. Step 5: Solve for x
    x = 1,758,613,411,702,892.75/44,904,960.48
  6. Step 6: Final answer
    x = 39,163,009.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.