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Finding the Fourth Proportional to 9,773,384.80, 14,688,070.80 and 8,541,666.40

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Solution

The fourth proportional to 9,773,384.80, 14,688,070.80 and 8,541,666.40 is: 12,836,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773,384.80 : 14,688,070.80 = 8,541,666.40 : x
  2. Step 2: Convert to fraction form
    9,773,384.80/14,688,070.80 = 8,541,666.40/x
  3. Step 3: Cross multiply
    9,773,384.80x = 14,688,070.80 × 8,541,666.40
  4. Step 4: Simplify right side
    9,773,384.80x = 125,460,600,833,181.12
  5. Step 5: Solve for x
    x = 125,460,600,833,181.12/9,773,384.80
  6. Step 6: Final answer
    x = 12,836,965.23

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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.