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Finding the Fourth Proportional to 9,075,346.90, 12,714,933.50 and 9,075,346.90

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Solution

The fourth proportional to 9,075,346.90, 12,714,933.50 and 9,075,346.90 is: 12,714,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075,346.90 : 12,714,933.50 = 9,075,346.90 : x
  2. Step 2: Convert to fraction form
    9,075,346.90/12,714,933.50 = 9,075,346.90/x
  3. Step 3: Cross multiply
    9,075,346.90x = 12,714,933.50 × 9,075,346.90
  4. Step 4: Simplify right side
    9,075,346.90x = 115,392,432,322,931.16
  5. Step 5: Solve for x
    x = 115,392,432,322,931.16/9,075,346.90
  6. Step 6: Final answer
    x = 12,714,933.50

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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.