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Finding the Fourth Proportional to 10,625,477.20, 14,904,011.60 and 10,625,477.20

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Solution

The fourth proportional to 10,625,477.20, 14,904,011.60 and 10,625,477.20 is: 14,904,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625,477.20 : 14,904,011.60 = 10,625,477.20 : x
  2. Step 2: Convert to fraction form
    10,625,477.20/14,904,011.60 = 10,625,477.20/x
  3. Step 3: Cross multiply
    10,625,477.20x = 14,904,011.60 × 10,625,477.20
  4. Step 4: Simplify right side
    10,625,477.20x = 158,362,235,444,335.50
  5. Step 5: Solve for x
    x = 158,362,235,444,335.50/10,625,477.20
  6. Step 6: Final answer
    x = 14,904,011.60

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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.