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Finding the Fourth Proportional to 73,646.77, 101,636.88 and 55,465.42

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Solution

The fourth proportional to 73,646.77, 101,636.88 and 55,465.42 is: 76,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,646.77 : 101,636.88 = 55,465.42 : x
  2. Step 2: Convert to fraction form
    73,646.77/101,636.88 = 55,465.42/x
  3. Step 3: Cross multiply
    73,646.77x = 101,636.88 × 55,465.42
  4. Step 4: Simplify right side
    73,646.77x = 5,637,331,728.51
  5. Step 5: Solve for x
    x = 5,637,331,728.51/73,646.77
  6. Step 6: Final answer
    x = 76,545.54

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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.