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Finding the Fourth Proportional to 9,841,973.10, 14,762,959.65 and 8,495,655.90

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Solution

The fourth proportional to 9,841,973.10, 14,762,959.65 and 8,495,655.90 is: 12,743,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,973.10 : 14,762,959.65 = 8,495,655.90 : x
  2. Step 2: Convert to fraction form
    9,841,973.10/14,762,959.65 = 8,495,655.90/x
  3. Step 3: Cross multiply
    9,841,973.10x = 14,762,959.65 × 8,495,655.90
  4. Step 4: Simplify right side
    9,841,973.10x = 125,421,025,251,984.44
  5. Step 5: Solve for x
    x = 125,421,025,251,984.44/9,841,973.10
  6. Step 6: Final answer
    x = 12,743,483.85

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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.