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Finding the Fourth Proportional to 66,559.40, 91,695.88 and 46,379.67

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Solution

The fourth proportional to 66,559.40, 91,695.88 and 46,379.67 is: 63,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.40 : 91,695.88 = 46,379.67 : x
  2. Step 2: Convert to fraction form
    66,559.40/91,695.88 = 46,379.67/x
  3. Step 3: Cross multiply
    66,559.40x = 91,695.88 × 46,379.67
  4. Step 4: Simplify right side
    66,559.40x = 4,252,824,654.76
  5. Step 5: Solve for x
    x = 4,252,824,654.76/66,559.40
  6. Step 6: Final answer
    x = 63,895.18

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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.