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Finding the Fourth Proportional to 5,572.84, 8,359.68 and 1,875.08

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Solution

The fourth proportional to 5,572.84, 8,359.68 and 1,875.08 is: 2,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.84 : 8,359.68 = 1,875.08 : x
  2. Step 2: Convert to fraction form
    5,572.84/8,359.68 = 1,875.08/x
  3. Step 3: Cross multiply
    5,572.84x = 8,359.68 × 1,875.08
  4. Step 4: Simplify right side
    5,572.84x = 15,675,068.77
  5. Step 5: Solve for x
    x = 15,675,068.77/5,572.84
  6. Step 6: Final answer
    x = 2,812.76

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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.