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Finding the Fourth Proportional to 42,283,570, 63,425,355 and 10,370,866

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Solution

The fourth proportional to 42,283,570, 63,425,355 and 10,370,866 is: 15,556,299

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283,570 : 63,425,355 = 10,370,866 : x
  2. Step 2: Convert to fraction form
    42,283,570/63,425,355 = 10,370,866/x
  3. Step 3: Cross multiply
    42,283,570x = 63,425,355 × 10,370,866
  4. Step 4: Simplify right side
    42,283,570x = 657,775,857,707,430
  5. Step 5: Solve for x
    x = 657,775,857,707,430/42,283,570
  6. Step 6: Final answer
    x = 15,556,299

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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.