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Finding the Fourth Proportional to 63,779.19, 88,019.49 and 35,484.94

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Solution

The fourth proportional to 63,779.19, 88,019.49 and 35,484.94 is: 48,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.19 : 88,019.49 = 35,484.94 : x
  2. Step 2: Convert to fraction form
    63,779.19/88,019.49 = 35,484.94/x
  3. Step 3: Cross multiply
    63,779.19x = 88,019.49 × 35,484.94
  4. Step 4: Simplify right side
    63,779.19x = 3,123,366,321.48
  5. Step 5: Solve for x
    x = 3,123,366,321.48/63,779.19
  6. Step 6: Final answer
    x = 48,971.56

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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.