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Finding the Fourth Proportional to 4,707.59, 7,061.00 and 1,587.53

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Solution

The fourth proportional to 4,707.59, 7,061.00 and 1,587.53 is: 2,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.59 : 7,061.00 = 1,587.53 : x
  2. Step 2: Convert to fraction form
    4,707.59/7,061.00 = 1,587.53/x
  3. Step 3: Cross multiply
    4,707.59x = 7,061.00 × 1,587.53
  4. Step 4: Simplify right side
    4,707.59x = 11,209,567.97
  5. Step 5: Solve for x
    x = 11,209,567.97/4,707.59
  6. Step 6: Final answer
    x = 2,381.17

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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.