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Finding the Fourth Proportional to 56,417.53, 84,731.70 and 49,665.51

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Solution

The fourth proportional to 56,417.53, 84,731.70 and 49,665.51 is: 74,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.53 : 84,731.70 = 49,665.51 : x
  2. Step 2: Convert to fraction form
    56,417.53/84,731.70 = 49,665.51/x
  3. Step 3: Cross multiply
    56,417.53x = 84,731.70 × 49,665.51
  4. Step 4: Simplify right side
    56,417.53x = 4,208,242,421.68
  5. Step 5: Solve for x
    x = 4,208,242,421.68/56,417.53
  6. Step 6: Final answer
    x = 74,591.05

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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.