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Finding the Fourth Proportional to 56,312.34, 77,703.33 and 33,646.51

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Solution

The fourth proportional to 56,312.34, 77,703.33 and 33,646.51 is: 46,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.34 : 77,703.33 = 33,646.51 : x
  2. Step 2: Convert to fraction form
    56,312.34/77,703.33 = 33,646.51/x
  3. Step 3: Cross multiply
    56,312.34x = 77,703.33 × 33,646.51
  4. Step 4: Simplify right side
    56,312.34x = 2,614,445,869.88
  5. Step 5: Solve for x
    x = 2,614,445,869.88/56,312.34
  6. Step 6: Final answer
    x = 46,427.59

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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.