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Finding the Fourth Proportional to 56,572.62, 78,070.68 and 35,364.42

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Solution

The fourth proportional to 56,572.62, 78,070.68 and 35,364.42 is: 48,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.62 : 78,070.68 = 35,364.42 : x
  2. Step 2: Convert to fraction form
    56,572.62/78,070.68 = 35,364.42/x
  3. Step 3: Cross multiply
    56,572.62x = 78,070.68 × 35,364.42
  4. Step 4: Simplify right side
    56,572.62x = 2,760,924,317.21
  5. Step 5: Solve for x
    x = 2,760,924,317.21/56,572.62
  6. Step 6: Final answer
    x = 48,803.19

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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.