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Finding the Fourth Proportional to 6,240,321.30, 8,755,345.50 and 6,240,321.30

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Solution

The fourth proportional to 6,240,321.30, 8,755,345.50 and 6,240,321.30 is: 8,755,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,321.30 : 8,755,345.50 = 6,240,321.30 : x
  2. Step 2: Convert to fraction form
    6,240,321.30/8,755,345.50 = 6,240,321.30/x
  3. Step 3: Cross multiply
    6,240,321.30x = 8,755,345.50 × 6,240,321.30
  4. Step 4: Simplify right side
    6,240,321.30x = 54,636,169,012,509.15
  5. Step 5: Solve for x
    x = 54,636,169,012,509.15/6,240,321.30
  6. Step 6: Final answer
    x = 8,755,345.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.