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Finding the Fourth Proportional to 62,511.68, 86,266.65 and 35,655.55

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Solution

The fourth proportional to 62,511.68, 86,266.65 and 35,655.55 is: 49,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511.68 : 86,266.65 = 35,655.55 : x
  2. Step 2: Convert to fraction form
    62,511.68/86,266.65 = 35,655.55/x
  3. Step 3: Cross multiply
    62,511.68x = 86,266.65 × 35,655.55
  4. Step 4: Simplify right side
    62,511.68x = 3,075,884,421.07
  5. Step 5: Solve for x
    x = 3,075,884,421.07/62,511.68
  6. Step 6: Final answer
    x = 49,204.96

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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.