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Finding the Fourth Proportional to 15,254.40, 22,877.55 and 4,724.40

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Solution

The fourth proportional to 15,254.40, 22,877.55 and 4,724.40 is: 7,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.40 : 22,877.55 = 4,724.40 : x
  2. Step 2: Convert to fraction form
    15,254.40/22,877.55 = 4,724.40/x
  3. Step 3: Cross multiply
    15,254.40x = 22,877.55 × 4,724.40
  4. Step 4: Simplify right side
    15,254.40x = 108,082,697.22
  5. Step 5: Solve for x
    x = 108,082,697.22/15,254.40
  6. Step 6: Final answer
    x = 7,085.35

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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.