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Finding the Fourth Proportional to 7,047,264, 10,570,896 and 1,728,480

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Solution

The fourth proportional to 7,047,264, 10,570,896 and 1,728,480 is: 2,592,720

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,264 : 10,570,896 = 1,728,480 : x
  2. Step 2: Convert to fraction form
    7,047,264/10,570,896 = 1,728,480/x
  3. Step 3: Cross multiply
    7,047,264x = 10,570,896 × 1,728,480
  4. Step 4: Simplify right side
    7,047,264x = 18,271,582,318,080
  5. Step 5: Solve for x
    x = 18,271,582,318,080/7,047,264
  6. Step 6: Final answer
    x = 2,592,720

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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.