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Finding the Fourth Proportional to 28,064,901.70, 39,366,445.10 and 28,064,901.70

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Solution

The fourth proportional to 28,064,901.70, 39,366,445.10 and 28,064,901.70 is: 39,366,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064,901.70 : 39,366,445.10 = 28,064,901.70 : x
  2. Step 2: Convert to fraction form
    28,064,901.70/39,366,445.10 = 28,064,901.70/x
  3. Step 3: Cross multiply
    28,064,901.70x = 39,366,445.10 × 28,064,901.70
  4. Step 4: Simplify right side
    28,064,901.70x = 1,104,815,412,009,946.62
  5. Step 5: Solve for x
    x = 1,104,815,412,009,946.62/28,064,901.70
  6. Step 6: Final answer
    x = 39,366,445.10

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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.