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Finding the Fourth Proportional to 9,773,364.80, 14,688,040.80 and 8,541,646.40

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Solution

The fourth proportional to 9,773,364.80, 14,688,040.80 and 8,541,646.40 is: 12,836,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773,364.80 : 14,688,040.80 = 8,541,646.40 : x
  2. Step 2: Convert to fraction form
    9,773,364.80/14,688,040.80 = 8,541,646.40/x
  3. Step 3: Cross multiply
    9,773,364.80x = 14,688,040.80 × 8,541,646.40
  4. Step 4: Simplify right side
    9,773,364.80x = 125,460,050,822,373.12
  5. Step 5: Solve for x
    x = 125,460,050,822,373.12/9,773,364.80
  6. Step 6: Final answer
    x = 12,836,935.22

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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.