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Finding the Fourth Proportional to 1,750.68, 2,623.54 and 971.02

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Solution

The fourth proportional to 1,750.68, 2,623.54 and 971.02 is: 1,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.68 : 2,623.54 = 971.02 : x
  2. Step 2: Convert to fraction form
    1,750.68/2,623.54 = 971.02/x
  3. Step 3: Cross multiply
    1,750.68x = 2,623.54 × 971.02
  4. Step 4: Simplify right side
    1,750.68x = 2,547,507.38
  5. Step 5: Solve for x
    x = 2,547,507.38/1,750.68
  6. Step 6: Final answer
    x = 1,455.16

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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.