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Finding the Fourth Proportional to 63,477.51, 87,578.35 and 37,638.10

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Solution

The fourth proportional to 63,477.51, 87,578.35 and 37,638.10 is: 51,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,477.51 : 87,578.35 = 37,638.10 : x
  2. Step 2: Convert to fraction form
    63,477.51/87,578.35 = 37,638.10/x
  3. Step 3: Cross multiply
    63,477.51x = 87,578.35 × 37,638.10
  4. Step 4: Simplify right side
    63,477.51x = 3,296,282,695.14
  5. Step 5: Solve for x
    x = 3,296,282,695.14/63,477.51
  6. Step 6: Final answer
    x = 51,928.36

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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.