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Finding the Fourth Proportional to 65,491.07, 98,376.53 and 46,890.63

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Solution

The fourth proportional to 65,491.07, 98,376.53 and 46,890.63 is: 70,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.07 : 98,376.53 = 46,890.63 : x
  2. Step 2: Convert to fraction form
    65,491.07/98,376.53 = 46,890.63/x
  3. Step 3: Cross multiply
    65,491.07x = 98,376.53 × 46,890.63
  4. Step 4: Simplify right side
    65,491.07x = 4,612,937,234.46
  5. Step 5: Solve for x
    x = 4,612,937,234.46/65,491.07
  6. Step 6: Final answer
    x = 70,436.13

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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.