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Finding the Fourth Proportional to 5,772,695.36, 7,961,056.80 and 4,956,643.52

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Solution

The fourth proportional to 5,772,695.36, 7,961,056.80 and 4,956,643.52 is: 6,835,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772,695.36 : 7,961,056.80 = 4,956,643.52 : x
  2. Step 2: Convert to fraction form
    5,772,695.36/7,961,056.80 = 4,956,643.52/x
  3. Step 3: Cross multiply
    5,772,695.36x = 7,961,056.80 × 4,956,643.52
  4. Step 4: Simplify right side
    5,772,695.36x = 39,460,120,600,071.93
  5. Step 5: Solve for x
    x = 39,460,120,600,071.93/5,772,695.36
  6. Step 6: Final answer
    x = 6,835,649.23

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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.