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Finding the Fourth Proportional to 56,813.60, 85,096.47 and 46,840.88

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Solution

The fourth proportional to 56,813.60, 85,096.47 and 46,840.88 is: 70,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,813.60 : 85,096.47 = 46,840.88 : x
  2. Step 2: Convert to fraction form
    56,813.60/85,096.47 = 46,840.88/x
  3. Step 3: Cross multiply
    56,813.60x = 85,096.47 × 46,840.88
  4. Step 4: Simplify right side
    56,813.60x = 3,985,993,539.69
  5. Step 5: Solve for x
    x = 3,985,993,539.69/56,813.60
  6. Step 6: Final answer
    x = 70,159.14

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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.