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Finding the Fourth Proportional to 64,858.40, 97,228.80 and 23,295.68

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Solution

The fourth proportional to 64,858.40, 97,228.80 and 23,295.68 is: 34,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,858.40 : 97,228.80 = 23,295.68 : x
  2. Step 2: Convert to fraction form
    64,858.40/97,228.80 = 23,295.68/x
  3. Step 3: Cross multiply
    64,858.40x = 97,228.80 × 23,295.68
  4. Step 4: Simplify right side
    64,858.40x = 2,265,011,011.58
  5. Step 5: Solve for x
    x = 2,265,011,011.58/64,858.40
  6. Step 6: Final answer
    x = 34,922.40

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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.