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Finding the Fourth Proportional to 15,152.46, 20,898.54 and 9,848.98

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Solution

The fourth proportional to 15,152.46, 20,898.54 and 9,848.98 is: 13,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.46 : 20,898.54 = 9,848.98 : x
  2. Step 2: Convert to fraction form
    15,152.46/20,898.54 = 9,848.98/x
  3. Step 3: Cross multiply
    15,152.46x = 20,898.54 × 9,848.98
  4. Step 4: Simplify right side
    15,152.46x = 205,829,302.49
  5. Step 5: Solve for x
    x = 205,829,302.49/15,152.46
  6. Step 6: Final answer
    x = 13,583.89

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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.