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Finding the Fourth Proportional to 55,530.68, 83,295.95 and 18,090.69

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Solution

The fourth proportional to 55,530.68, 83,295.95 and 18,090.69 is: 27,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.68 : 83,295.95 = 18,090.69 : x
  2. Step 2: Convert to fraction form
    55,530.68/83,295.95 = 18,090.69/x
  3. Step 3: Cross multiply
    55,530.68x = 83,295.95 × 18,090.69
  4. Step 4: Simplify right side
    55,530.68x = 1,506,881,119.25
  5. Step 5: Solve for x
    x = 1,506,881,119.25/55,530.68
  6. Step 6: Final answer
    x = 27,136.01

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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.