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Finding the Fourth Proportional to 9,354,560, 12,909,292.80 and 5,062,208

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Solution

The fourth proportional to 9,354,560, 12,909,292.80 and 5,062,208 is: 6,985,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354,560 : 12,909,292.80 = 5,062,208 : x
  2. Step 2: Convert to fraction form
    9,354,560/12,909,292.80 = 5,062,208/x
  3. Step 3: Cross multiply
    9,354,560x = 12,909,292.80 × 5,062,208
  4. Step 4: Simplify right side
    9,354,560x = 65,349,525,286,502.41
  5. Step 5: Solve for x
    x = 65,349,525,286,502.41/9,354,560
  6. Step 6: Final answer
    x = 6,985,847.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.