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Finding the Fourth Proportional to 37,689,615.60, 52,884,901.20 and 37,689,615.60

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Solution

The fourth proportional to 37,689,615.60, 52,884,901.20 and 37,689,615.60 is: 52,884,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689,615.60 : 52,884,901.20 = 37,689,615.60 : x
  2. Step 2: Convert to fraction form
    37,689,615.60/52,884,901.20 = 37,689,615.60/x
  3. Step 3: Cross multiply
    37,689,615.60x = 52,884,901.20 × 37,689,615.60
  4. Step 4: Simplify right side
    37,689,615.60x = 1,993,211,597,271,979
  5. Step 5: Solve for x
    x = 1,993,211,597,271,979/37,689,615.60
  6. Step 6: Final answer
    x = 52,884,901.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.