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Finding the Fourth Proportional to 8,457,946.88, 11,671,978.22 and 4,590,468.08

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Solution

The fourth proportional to 8,457,946.88, 11,671,978.22 and 4,590,468.08 is: 6,334,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,946.88 : 11,671,978.22 = 4,590,468.08 : x
  2. Step 2: Convert to fraction form
    8,457,946.88/11,671,978.22 = 4,590,468.08/x
  3. Step 3: Cross multiply
    8,457,946.88x = 11,671,978.22 × 4,590,468.08
  4. Step 4: Simplify right side
    8,457,946.88x = 53,579,843,449,365.22
  5. Step 5: Solve for x
    x = 53,579,843,449,365.22/8,457,946.88
  6. Step 6: Final answer
    x = 6,334,852.21

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1.5x scale

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.