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Finding the Fourth Proportional to 35,699.69, 49,266.20 and 19,565.93

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Solution

The fourth proportional to 35,699.69, 49,266.20 and 19,565.93 is: 27,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.69 : 49,266.20 = 19,565.93 : x
  2. Step 2: Convert to fraction form
    35,699.69/49,266.20 = 19,565.93/x
  3. Step 3: Cross multiply
    35,699.69x = 49,266.20 × 19,565.93
  4. Step 4: Simplify right side
    35,699.69x = 963,938,676.41
  5. Step 5: Solve for x
    x = 963,938,676.41/35,699.69
  6. Step 6: Final answer
    x = 27,001.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.