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Finding the Fourth Proportional to 65,595.15, 98,393.31 and 18,848.01

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Solution

The fourth proportional to 65,595.15, 98,393.31 and 18,848.01 is: 28,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.15 : 98,393.31 = 18,848.01 : x
  2. Step 2: Convert to fraction form
    65,595.15/98,393.31 = 18,848.01/x
  3. Step 3: Cross multiply
    65,595.15x = 98,393.31 × 18,848.01
  4. Step 4: Simplify right side
    65,595.15x = 1,854,518,090.81
  5. Step 5: Solve for x
    x = 1,854,518,090.81/65,595.15
  6. Step 6: Final answer
    x = 28,272.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.