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Finding the Fourth Proportional to 5,671,838.80, 8,506,747.80 and 2,259,839.32

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Solution

The fourth proportional to 5,671,838.80, 8,506,747.80 and 2,259,839.32 is: 3,389,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671,838.80 : 8,506,747.80 = 2,259,839.32 : x
  2. Step 2: Convert to fraction form
    5,671,838.80/8,506,747.80 = 2,259,839.32/x
  3. Step 3: Cross multiply
    5,671,838.80x = 8,506,747.80 × 2,259,839.32
  4. Step 4: Simplify right side
    5,671,838.80x = 19,223,883,163,763.50
  5. Step 5: Solve for x
    x = 19,223,883,163,763.50/5,671,838.80
  6. Step 6: Final answer
    x = 3,389,356.40

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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.