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Finding the Fourth Proportional to 45,871.80, 63,303.72 and 27,720.03

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Solution

The fourth proportional to 45,871.80, 63,303.72 and 27,720.03 is: 38,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.80 : 63,303.72 = 27,720.03 : x
  2. Step 2: Convert to fraction form
    45,871.80/63,303.72 = 27,720.03/x
  3. Step 3: Cross multiply
    45,871.80x = 63,303.72 × 27,720.03
  4. Step 4: Simplify right side
    45,871.80x = 1,754,781,017.51
  5. Step 5: Solve for x
    x = 1,754,781,017.51/45,871.80
  6. Step 6: Final answer
    x = 38,254.03

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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.