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Finding the Fourth Proportional to 45,387.66, 68,075.94 and 15,802.94

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Solution

The fourth proportional to 45,387.66, 68,075.94 and 15,802.94 is: 23,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.66 : 68,075.94 = 15,802.94 : x
  2. Step 2: Convert to fraction form
    45,387.66/68,075.94 = 15,802.94/x
  3. Step 3: Cross multiply
    45,387.66x = 68,075.94 × 15,802.94
  4. Step 4: Simplify right side
    45,387.66x = 1,075,799,995.26
  5. Step 5: Solve for x
    x = 1,075,799,995.26/45,387.66
  6. Step 6: Final answer
    x = 23,702.48

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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.