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Finding the Fourth Proportional to 62,368, 86,069.74 and 34,075.52

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Solution

The fourth proportional to 62,368, 86,069.74 and 34,075.52 is: 47,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,368 : 86,069.74 = 34,075.52 : x
  2. Step 2: Convert to fraction form
    62,368/86,069.74 = 34,075.52/x
  3. Step 3: Cross multiply
    62,368x = 86,069.74 × 34,075.52
  4. Step 4: Simplify right side
    62,368x = 2,932,871,146.76
  5. Step 5: Solve for x
    x = 2,932,871,146.76/62,368
  6. Step 6: Final answer
    x = 47,025.26

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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.