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Finding the Fourth Proportional to 45,798.01, 63,178.04 and 28,556.21

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Solution

The fourth proportional to 45,798.01, 63,178.04 and 28,556.21 is: 39,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.01 : 63,178.04 = 28,556.21 : x
  2. Step 2: Convert to fraction form
    45,798.01/63,178.04 = 28,556.21/x
  3. Step 3: Cross multiply
    45,798.01x = 63,178.04 × 28,556.21
  4. Step 4: Simplify right side
    45,798.01x = 1,804,125,606.96
  5. Step 5: Solve for x
    x = 1,804,125,606.96/45,798.01
  6. Step 6: Final answer
    x = 39,393.10

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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.