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Finding the Fourth Proportional to 63,008.49, 86,893.32 and 45,985.77

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Solution

The fourth proportional to 63,008.49, 86,893.32 and 45,985.77 is: 63,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.49 : 86,893.32 = 45,985.77 : x
  2. Step 2: Convert to fraction form
    63,008.49/86,893.32 = 45,985.77/x
  3. Step 3: Cross multiply
    63,008.49x = 86,893.32 × 45,985.77
  4. Step 4: Simplify right side
    63,008.49x = 3,995,856,256.89
  5. Step 5: Solve for x
    x = 3,995,856,256.89/63,008.49
  6. Step 6: Final answer
    x = 63,417.74

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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.