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Finding the Fourth Proportional to 64,700.30, 97,050.44 and 20,330.93

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Solution

The fourth proportional to 64,700.30, 97,050.44 and 20,330.93 is: 30,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.30 : 97,050.44 = 20,330.93 : x
  2. Step 2: Convert to fraction form
    64,700.30/97,050.44 = 20,330.93/x
  3. Step 3: Cross multiply
    64,700.30x = 97,050.44 × 20,330.93
  4. Step 4: Simplify right side
    64,700.30x = 1,973,125,995.56
  5. Step 5: Solve for x
    x = 1,973,125,995.56/64,700.30
  6. Step 6: Final answer
    x = 30,496.40

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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.