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Finding the Fourth Proportional to 28,029,265.30, 42,043,897.95 and 28,029,265.30

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Solution

The fourth proportional to 28,029,265.30, 42,043,897.95 and 28,029,265.30 is: 42,043,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,265.30 : 42,043,897.95 = 28,029,265.30 : x
  2. Step 2: Convert to fraction form
    28,029,265.30/42,043,897.95 = 28,029,265.30/x
  3. Step 3: Cross multiply
    28,029,265.30x = 42,043,897.95 × 28,029,265.30
  4. Step 4: Simplify right side
    28,029,265.30x = 1,178,459,569,886,676.25
  5. Step 5: Solve for x
    x = 1,178,459,569,886,676.25/28,029,265.30
  6. Step 6: Final answer
    x = 42,043,897.95

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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.