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Finding the Fourth Proportional to 21,728,728.01, 32,620,748.93 and 14,084,360.98

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Solution

The fourth proportional to 21,728,728.01, 32,620,748.93 and 14,084,360.98 is: 21,144,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,728.01 : 32,620,748.93 = 14,084,360.98 : x
  2. Step 2: Convert to fraction form
    21,728,728.01/32,620,748.93 = 14,084,360.98/x
  3. Step 3: Cross multiply
    21,728,728.01x = 32,620,748.93 × 14,084,360.98
  4. Step 4: Simplify right side
    21,728,728.01x = 459,442,403,368,068.75
  5. Step 5: Solve for x
    x = 459,442,403,368,068.75/21,728,728.01
  6. Step 6: Final answer
    x = 21,144,468.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.