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Finding the Fourth Proportional to 7,339,695.60, 11,009,543.40 and 7,233,407.40

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Solution

The fourth proportional to 7,339,695.60, 11,009,543.40 and 7,233,407.40 is: 10,850,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,695.60 : 11,009,543.40 = 7,233,407.40 : x
  2. Step 2: Convert to fraction form
    7,339,695.60/11,009,543.40 = 7,233,407.40/x
  3. Step 3: Cross multiply
    7,339,695.60x = 11,009,543.40 × 7,233,407.40
  4. Step 4: Simplify right side
    7,339,695.60x = 79,636,512,700,181.17
  5. Step 5: Solve for x
    x = 79,636,512,700,181.17/7,339,695.60
  6. Step 6: Final answer
    x = 10,850,111.10

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Similar ratio
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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.