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Finding the Fourth Proportional to 63,666.51, 87,862.56 and 35,372.19

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Solution

The fourth proportional to 63,666.51, 87,862.56 and 35,372.19 is: 48,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,666.51 : 87,862.56 = 35,372.19 : x
  2. Step 2: Convert to fraction form
    63,666.51/87,862.56 = 35,372.19/x
  3. Step 3: Cross multiply
    63,666.51x = 87,862.56 × 35,372.19
  4. Step 4: Simplify right side
    63,666.51x = 3,107,891,166.21
  5. Step 5: Solve for x
    x = 3,107,891,166.21/63,666.51
  6. Step 6: Final answer
    x = 48,815.16

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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.