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Finding the Fourth Proportional to 14,274,627.16, 19,699,000.74 and 7,748,255.58

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Solution

The fourth proportional to 14,274,627.16, 19,699,000.74 and 7,748,255.58 is: 10,692,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274,627.16 : 19,699,000.74 = 7,748,255.58 : x
  2. Step 2: Convert to fraction form
    14,274,627.16/19,699,000.74 = 7,748,255.58/x
  3. Step 3: Cross multiply
    14,274,627.16x = 19,699,000.74 × 7,748,255.58
  4. Step 4: Simplify right side
    14,274,627.16x = 152,632,892,404,129.12
  5. Step 5: Solve for x
    x = 152,632,892,404,129.12/14,274,627.16
  6. Step 6: Final answer
    x = 10,692,600.98

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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.