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Finding the Fourth Proportional to 7,006.79, 10,503.10 and 4,543.18

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Solution

The fourth proportional to 7,006.79, 10,503.10 and 4,543.18 is: 6,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.79 : 10,503.10 = 4,543.18 : x
  2. Step 2: Convert to fraction form
    7,006.79/10,503.10 = 4,543.18/x
  3. Step 3: Cross multiply
    7,006.79x = 10,503.10 × 4,543.18
  4. Step 4: Simplify right side
    7,006.79x = 47,717,398.63
  5. Step 5: Solve for x
    x = 47,717,398.63/7,006.79
  6. Step 6: Final answer
    x = 6,810.17

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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.