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Finding the Fourth Proportional to 1,574.98, 2,362.61 and 535.29

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Solution

The fourth proportional to 1,574.98, 2,362.61 and 535.29 is: 802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.98 : 2,362.61 = 535.29 : x
  2. Step 2: Convert to fraction form
    1,574.98/2,362.61 = 535.29/x
  3. Step 3: Cross multiply
    1,574.98x = 2,362.61 × 535.29
  4. Step 4: Simplify right side
    1,574.98x = 1,264,681.51
  5. Step 5: Solve for x
    x = 1,264,681.51/1,574.98
  6. Step 6: Final answer
    x = 802.98

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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.