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Finding the Fourth Proportional to 8,700,773.76, 13,037,747.04 and 4,657,798.08

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Solution

The fourth proportional to 8,700,773.76, 13,037,747.04 and 4,657,798.08 is: 6,979,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,773.76 : 13,037,747.04 = 4,657,798.08 : x
  2. Step 2: Convert to fraction form
    8,700,773.76/13,037,747.04 = 4,657,798.08/x
  3. Step 3: Cross multiply
    8,700,773.76x = 13,037,747.04 × 4,657,798.08
  4. Step 4: Simplify right side
    8,700,773.76x = 60,727,193,130,437.68
  5. Step 5: Solve for x
    x = 60,727,193,130,437.68/8,700,773.76
  6. Step 6: Final answer
    x = 6,979,516.40

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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.