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Finding the Fourth Proportional to 8,705,339.49, 12,012,413.49 and 5,033,699.40

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Solution

The fourth proportional to 8,705,339.49, 12,012,413.49 and 5,033,699.40 is: 6,945,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,339.49 : 12,012,413.49 = 5,033,699.40 : x
  2. Step 2: Convert to fraction form
    8,705,339.49/12,012,413.49 = 5,033,699.40/x
  3. Step 3: Cross multiply
    8,705,339.49x = 12,012,413.49 × 5,033,699.40
  4. Step 4: Simplify right side
    8,705,339.49x = 60,466,878,577,164.91
  5. Step 5: Solve for x
    x = 60,466,878,577,164.91/8,705,339.49
  6. Step 6: Final answer
    x = 6,945,952.96

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1.5x scale

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.