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Finding the Fourth Proportional to 56,009.60, 83,926.91 and 47,655.26

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Solution

The fourth proportional to 56,009.60, 83,926.91 and 47,655.26 is: 71,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.60 : 83,926.91 = 47,655.26 : x
  2. Step 2: Convert to fraction form
    56,009.60/83,926.91 = 47,655.26/x
  3. Step 3: Cross multiply
    56,009.60x = 83,926.91 × 47,655.26
  4. Step 4: Simplify right side
    56,009.60x = 3,999,558,478.77
  5. Step 5: Solve for x
    x = 3,999,558,478.77/56,009.60
  6. Step 6: Final answer
    x = 71,408.45

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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.