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Finding the Fourth Proportional to 7,193.34, 9,916.65 and 7,094.70

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Solution

The fourth proportional to 7,193.34, 9,916.65 and 7,094.70 is: 9,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.34 : 9,916.65 = 7,094.70 : x
  2. Step 2: Convert to fraction form
    7,193.34/9,916.65 = 7,094.70/x
  3. Step 3: Cross multiply
    7,193.34x = 9,916.65 × 7,094.70
  4. Step 4: Simplify right side
    7,193.34x = 70,355,656.76
  5. Step 5: Solve for x
    x = 70,355,656.76/7,193.34
  6. Step 6: Final answer
    x = 9,780.67

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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.