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Finding the Fourth Proportional to 56,545.76, 78,027.62 and 32,669.12

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Solution

The fourth proportional to 56,545.76, 78,027.62 and 32,669.12 is: 45,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.76 : 78,027.62 = 32,669.12 : x
  2. Step 2: Convert to fraction form
    56,545.76/78,027.62 = 32,669.12/x
  3. Step 3: Cross multiply
    56,545.76x = 78,027.62 × 32,669.12
  4. Step 4: Simplify right side
    56,545.76x = 2,549,093,681.09
  5. Step 5: Solve for x
    x = 2,549,093,681.09/56,545.76
  6. Step 6: Final answer
    x = 45,080.19

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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.