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Finding the Fourth Proportional to 47,452.70, 65,482.98 and 27,312.68

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Solution

The fourth proportional to 47,452.70, 65,482.98 and 27,312.68 is: 37,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,452.70 : 65,482.98 = 27,312.68 : x
  2. Step 2: Convert to fraction form
    47,452.70/65,482.98 = 27,312.68/x
  3. Step 3: Cross multiply
    47,452.70x = 65,482.98 × 27,312.68
  4. Step 4: Simplify right side
    47,452.70x = 1,788,515,678.19
  5. Step 5: Solve for x
    x = 1,788,515,678.19/47,452.70
  6. Step 6: Final answer
    x = 37,690.49

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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.