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Finding the Fourth Proportional to 65,063.61, 89,751.92 and 44,931.06

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Solution

The fourth proportional to 65,063.61, 89,751.92 and 44,931.06 is: 61,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,063.61 : 89,751.92 = 44,931.06 : x
  2. Step 2: Convert to fraction form
    65,063.61/89,751.92 = 44,931.06/x
  3. Step 3: Cross multiply
    65,063.61x = 89,751.92 × 44,931.06
  4. Step 4: Simplify right side
    65,063.61x = 4,032,648,677.98
  5. Step 5: Solve for x
    x = 4,032,648,677.98/65,063.61
  6. Step 6: Final answer
    x = 61,980.09

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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.