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Finding the Fourth Proportional to 35,521,016.80, 49,779,812 and 35,521,016.80

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Solution

The fourth proportional to 35,521,016.80, 49,779,812 and 35,521,016.80 is: 49,779,812

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521,016.80 : 49,779,812 = 35,521,016.80 : x
  2. Step 2: Convert to fraction form
    35,521,016.80/49,779,812 = 35,521,016.80/x
  3. Step 3: Cross multiply
    35,521,016.80x = 49,779,812 × 35,521,016.80
  4. Step 4: Simplify right side
    35,521,016.80x = 1,768,229,538,352,841.50
  5. Step 5: Solve for x
    x = 1,768,229,538,352,841.50/35,521,016.80
  6. Step 6: Final answer
    x = 49,779,812

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1.5x scale

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.