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Finding the Fourth Proportional to 10,258.30, 14,376.20 and 10,258.30

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Solution

The fourth proportional to 10,258.30, 14,376.20 and 10,258.30 is: 14,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.30 : 14,376.20 = 10,258.30 : x
  2. Step 2: Convert to fraction form
    10,258.30/14,376.20 = 10,258.30/x
  3. Step 3: Cross multiply
    10,258.30x = 14,376.20 × 10,258.30
  4. Step 4: Simplify right side
    10,258.30x = 147,475,372.46
  5. Step 5: Solve for x
    x = 147,475,372.46/10,258.30
  6. Step 6: Final answer
    x = 14,376.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.