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Finding the Fourth Proportional to 73,655.47, 101,683.02 and 57,488.05

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Solution

The fourth proportional to 73,655.47, 101,683.02 and 57,488.05 is: 79,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,655.47 : 101,683.02 = 57,488.05 : x
  2. Step 2: Convert to fraction form
    73,655.47/101,683.02 = 57,488.05/x
  3. Step 3: Cross multiply
    73,655.47x = 101,683.02 × 57,488.05
  4. Step 4: Simplify right side
    73,655.47x = 5,845,558,537.91
  5. Step 5: Solve for x
    x = 5,845,558,537.91/73,655.47
  6. Step 6: Final answer
    x = 79,363.54

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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.