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Finding the Fourth Proportional to 6,502,944.64, 8,978,445.44 and 4,059,276.16

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Solution

The fourth proportional to 6,502,944.64, 8,978,445.44 and 4,059,276.16 is: 5,604,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502,944.64 : 8,978,445.44 = 4,059,276.16 : x
  2. Step 2: Convert to fraction form
    6,502,944.64/8,978,445.44 = 4,059,276.16/x
  3. Step 3: Cross multiply
    6,502,944.64x = 8,978,445.44 × 4,059,276.16
  4. Step 4: Simplify right side
    6,502,944.64x = 36,445,989,528,452.71
  5. Step 5: Solve for x
    x = 36,445,989,528,452.71/6,502,944.64
  6. Step 6: Final answer
    x = 5,604,536.34

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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.