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Finding the Fourth Proportional to 52,577.63, 78,866.61 and 13,134.74

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Solution

The fourth proportional to 52,577.63, 78,866.61 and 13,134.74 is: 19,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,577.63 : 78,866.61 = 13,134.74 : x
  2. Step 2: Convert to fraction form
    52,577.63/78,866.61 = 13,134.74/x
  3. Step 3: Cross multiply
    52,577.63x = 78,866.61 × 13,134.74
  4. Step 4: Simplify right side
    52,577.63x = 1,035,892,022.70
  5. Step 5: Solve for x
    x = 1,035,892,022.70/52,577.63
  6. Step 6: Final answer
    x = 19,702.15

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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.