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Finding the Fourth Proportional to 8,709,152.94, 12,019,041.09 and 4,841,738.64

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Solution

The fourth proportional to 8,709,152.94, 12,019,041.09 and 4,841,738.64 is: 6,681,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,152.94 : 12,019,041.09 = 4,841,738.64 : x
  2. Step 2: Convert to fraction form
    8,709,152.94/12,019,041.09 = 4,841,738.64/x
  3. Step 3: Cross multiply
    8,709,152.94x = 12,019,041.09 × 4,841,738.64
  4. Step 4: Simplify right side
    8,709,152.94x = 58,193,055,661,200.71
  5. Step 5: Solve for x
    x = 58,193,055,661,200.71/8,709,152.94
  6. Step 6: Final answer
    x = 6,681,827.28

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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.