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Finding the Fourth Proportional to 8,306,472.40, 12,462,041.40 and 4,046,779.60

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Solution

The fourth proportional to 8,306,472.40, 12,462,041.40 and 4,046,779.60 is: 6,071,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,472.40 : 12,462,041.40 = 4,046,779.60 : x
  2. Step 2: Convert to fraction form
    8,306,472.40/12,462,041.40 = 4,046,779.60/x
  3. Step 3: Cross multiply
    8,306,472.40x = 12,462,041.40 × 4,046,779.60
  4. Step 4: Simplify right side
    8,306,472.40x = 50,431,134,911,875.45
  5. Step 5: Solve for x
    x = 50,431,134,911,875.45/8,306,472.40
  6. Step 6: Final answer
    x = 6,071,305.90

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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.