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Finding the Fourth Proportional to 64,357.84, 88,783.80 and 40,497.67

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Solution

The fourth proportional to 64,357.84, 88,783.80 and 40,497.67 is: 55,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.84 : 88,783.80 = 40,497.67 : x
  2. Step 2: Convert to fraction form
    64,357.84/88,783.80 = 40,497.67/x
  3. Step 3: Cross multiply
    64,357.84x = 88,783.80 × 40,497.67
  4. Step 4: Simplify right side
    64,357.84x = 3,595,537,033.75
  5. Step 5: Solve for x
    x = 3,595,537,033.75/64,357.84
  6. Step 6: Final answer
    x = 55,867.89

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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.