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Finding the Fourth Proportional to 66,479.04, 99,805.68 and 44,434.08

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Solution

The fourth proportional to 66,479.04, 99,805.68 and 44,434.08 is: 66,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.04 : 99,805.68 = 44,434.08 : x
  2. Step 2: Convert to fraction form
    66,479.04/99,805.68 = 44,434.08/x
  3. Step 3: Cross multiply
    66,479.04x = 99,805.68 × 44,434.08
  4. Step 4: Simplify right side
    66,479.04x = 4,434,773,569.57
  5. Step 5: Solve for x
    x = 4,434,773,569.57/66,479.04
  6. Step 6: Final answer
    x = 66,709.35

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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.