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Finding the Fourth Proportional to 6,402,785.32, 8,835,364.74 and 3,502,026.28

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Solution

The fourth proportional to 6,402,785.32, 8,835,364.74 and 3,502,026.28 is: 4,832,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,785.32 : 8,835,364.74 = 3,502,026.28 : x
  2. Step 2: Convert to fraction form
    6,402,785.32/8,835,364.74 = 3,502,026.28/x
  3. Step 3: Cross multiply
    6,402,785.32x = 8,835,364.74 × 3,502,026.28
  4. Step 4: Simplify right side
    6,402,785.32x = 30,941,679,512,865.37
  5. Step 5: Solve for x
    x = 30,941,679,512,865.37/6,402,785.32
  6. Step 6: Final answer
    x = 4,832,534.27

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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.