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Finding the Fourth Proportional to 36,287,985.60, 54,431,978.40 and 32,592,830.40

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Solution

The fourth proportional to 36,287,985.60, 54,431,978.40 and 32,592,830.40 is: 48,889,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287,985.60 : 54,431,978.40 = 32,592,830.40 : x
  2. Step 2: Convert to fraction form
    36,287,985.60/54,431,978.40 = 32,592,830.40/x
  3. Step 3: Cross multiply
    36,287,985.60x = 54,431,978.40 × 32,592,830.40
  4. Step 4: Simplify right side
    36,287,985.60x = 1,774,092,240,327,663.25
  5. Step 5: Solve for x
    x = 1,774,092,240,327,663.25/36,287,985.60
  6. Step 6: Final answer
    x = 48,889,245.60

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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.