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Finding the Fourth Proportional to 66,886.48, 100,266.92 and 22,482.18

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Solution

The fourth proportional to 66,886.48, 100,266.92 and 22,482.18 is: 33,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.48 : 100,266.92 = 22,482.18 : x
  2. Step 2: Convert to fraction form
    66,886.48/100,266.92 = 22,482.18/x
  3. Step 3: Cross multiply
    66,886.48x = 100,266.92 × 22,482.18
  4. Step 4: Simplify right side
    66,886.48x = 2,254,218,915.38
  5. Step 5: Solve for x
    x = 2,254,218,915.38/66,886.48
  6. Step 6: Final answer
    x = 33,702.16

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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.