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Finding the Fourth Proportional to 56,333.79, 77,765.76 and 37,225.49

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Solution

The fourth proportional to 56,333.79, 77,765.76 and 37,225.49 is: 51,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,333.79 : 77,765.76 = 37,225.49 : x
  2. Step 2: Convert to fraction form
    56,333.79/77,765.76 = 37,225.49/x
  3. Step 3: Cross multiply
    56,333.79x = 77,765.76 × 37,225.49
  4. Step 4: Simplify right side
    56,333.79x = 2,894,868,233.74
  5. Step 5: Solve for x
    x = 2,894,868,233.74/56,333.79
  6. Step 6: Final answer
    x = 51,387.77

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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.