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Finding the Fourth Proportional to 10,737.61, 14,818.05 and 6,488.08

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Solution

The fourth proportional to 10,737.61, 14,818.05 and 6,488.08 is: 8,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,737.61 : 14,818.05 = 6,488.08 : x
  2. Step 2: Convert to fraction form
    10,737.61/14,818.05 = 6,488.08/x
  3. Step 3: Cross multiply
    10,737.61x = 14,818.05 × 6,488.08
  4. Step 4: Simplify right side
    10,737.61x = 96,140,693.84
  5. Step 5: Solve for x
    x = 96,140,693.84/10,737.61
  6. Step 6: Final answer
    x = 8,953.64

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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.