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Finding the Fourth Proportional to 64,994.40, 97,497.76 and 18,247.12

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Solution

The fourth proportional to 64,994.40, 97,497.76 and 18,247.12 is: 27,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.40 : 97,497.76 = 18,247.12 : x
  2. Step 2: Convert to fraction form
    64,994.40/97,497.76 = 18,247.12/x
  3. Step 3: Cross multiply
    64,994.40x = 97,497.76 × 18,247.12
  4. Step 4: Simplify right side
    64,994.40x = 1,779,053,326.45
  5. Step 5: Solve for x
    x = 1,779,053,326.45/64,994.40
  6. Step 6: Final answer
    x = 27,372.41

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1.5x scale

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.