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Finding the Fourth Proportional to 8,588,981.80, 12,883,472.70 and 7,182,303.40

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Solution

The fourth proportional to 8,588,981.80, 12,883,472.70 and 7,182,303.40 is: 10,773,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,981.80 : 12,883,472.70 = 7,182,303.40 : x
  2. Step 2: Convert to fraction form
    8,588,981.80/12,883,472.70 = 7,182,303.40/x
  3. Step 3: Cross multiply
    8,588,981.80x = 12,883,472.70 × 7,182,303.40
  4. Step 4: Simplify right side
    8,588,981.80x = 92,533,009,777,017.17
  5. Step 5: Solve for x
    x = 92,533,009,777,017.17/8,588,981.80
  6. Step 6: Final answer
    x = 10,773,455.10

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1.5x scale

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.