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Finding the Fourth Proportional to 21,852,003.60, 32,715,019.80 and 21,852,003.60

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Solution

The fourth proportional to 21,852,003.60, 32,715,019.80 and 21,852,003.60 is: 32,715,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,003.60 : 32,715,019.80 = 21,852,003.60 : x
  2. Step 2: Convert to fraction form
    21,852,003.60/32,715,019.80 = 21,852,003.60/x
  3. Step 3: Cross multiply
    21,852,003.60x = 32,715,019.80 × 21,852,003.60
  4. Step 4: Simplify right side
    21,852,003.60x = 714,888,730,443,671.38
  5. Step 5: Solve for x
    x = 714,888,730,443,671.38/21,852,003.60
  6. Step 6: Final answer
    x = 32,715,019.80

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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.