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Finding the Fourth Proportional to 6,916.66, 9,543.53 and 4,397.85

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Solution

The fourth proportional to 6,916.66, 9,543.53 and 4,397.85 is: 6,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.66 : 9,543.53 = 4,397.85 : x
  2. Step 2: Convert to fraction form
    6,916.66/9,543.53 = 4,397.85/x
  3. Step 3: Cross multiply
    6,916.66x = 9,543.53 × 4,397.85
  4. Step 4: Simplify right side
    6,916.66x = 41,971,024.41
  5. Step 5: Solve for x
    x = 41,971,024.41/6,916.66
  6. Step 6: Final answer
    x = 6,068.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.