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Finding the Fourth Proportional to 15,595.40, 23,396.76 and 5,065.40

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Solution

The fourth proportional to 15,595.40, 23,396.76 and 5,065.40 is: 7,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.40 : 23,396.76 = 5,065.40 : x
  2. Step 2: Convert to fraction form
    15,595.40/23,396.76 = 5,065.40/x
  3. Step 3: Cross multiply
    15,595.40x = 23,396.76 × 5,065.40
  4. Step 4: Simplify right side
    15,595.40x = 118,513,948.10
  5. Step 5: Solve for x
    x = 118,513,948.10/15,595.40
  6. Step 6: Final answer
    x = 7,599.29

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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.