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Finding the Fourth Proportional to 18,038.78, 24,886.46 and 10,483.77

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Solution

The fourth proportional to 18,038.78, 24,886.46 and 10,483.77 is: 14,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.78 : 24,886.46 = 10,483.77 : x
  2. Step 2: Convert to fraction form
    18,038.78/24,886.46 = 10,483.77/x
  3. Step 3: Cross multiply
    18,038.78x = 24,886.46 × 10,483.77
  4. Step 4: Simplify right side
    18,038.78x = 260,903,870.34
  5. Step 5: Solve for x
    x = 260,903,870.34/18,038.78
  6. Step 6: Final answer
    x = 14,463.50

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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.