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Finding the Fourth Proportional to 10,904,412.80, 16,357,396.80 and 3,331,366.40

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Solution

The fourth proportional to 10,904,412.80, 16,357,396.80 and 3,331,366.40 is: 4,997,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904,412.80 : 16,357,396.80 = 3,331,366.40 : x
  2. Step 2: Convert to fraction form
    10,904,412.80/16,357,396.80 = 3,331,366.40/x
  3. Step 3: Cross multiply
    10,904,412.80x = 16,357,396.80 × 3,331,366.40
  4. Step 4: Simplify right side
    10,904,412.80x = 54,492,482,090,987.52
  5. Step 5: Solve for x
    x = 54,492,482,090,987.52/10,904,412.80
  6. Step 6: Final answer
    x = 4,997,287.16

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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.