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Finding the Fourth Proportional to 7,059,701.64, 9,739,152.54 and 4,157,703.30

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Solution

The fourth proportional to 7,059,701.64, 9,739,152.54 and 4,157,703.30 is: 5,735,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059,701.64 : 9,739,152.54 = 4,157,703.30 : x
  2. Step 2: Convert to fraction form
    7,059,701.64/9,739,152.54 = 4,157,703.30/x
  3. Step 3: Cross multiply
    7,059,701.64x = 9,739,152.54 × 4,157,703.30
  4. Step 4: Simplify right side
    7,059,701.64x = 40,492,506,654,761.38
  5. Step 5: Solve for x
    x = 40,492,506,654,761.38/7,059,701.64
  6. Step 6: Final answer
    x = 5,735,724.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.