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Finding the Fourth Proportional to 9,968,798.60, 14,963,028.30 and 4,925,803.40

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Solution

The fourth proportional to 9,968,798.60, 14,963,028.30 and 4,925,803.40 is: 7,393,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,798.60 : 14,963,028.30 = 4,925,803.40 : x
  2. Step 2: Convert to fraction form
    9,968,798.60/14,963,028.30 = 4,925,803.40/x
  3. Step 3: Cross multiply
    9,968,798.60x = 14,963,028.30 × 4,925,803.40
  4. Step 4: Simplify right side
    9,968,798.60x = 73,704,935,674,436.23
  5. Step 5: Solve for x
    x = 73,704,935,674,436.23/9,968,798.60
  6. Step 6: Final answer
    x = 7,393,562.52

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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.