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Finding the Fourth Proportional to 7,098,525.93, 9,784,489.59 and 5,547,091.62

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Solution

The fourth proportional to 7,098,525.93, 9,784,489.59 and 5,547,091.62 is: 7,646,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,525.93 : 9,784,489.59 = 5,547,091.62 : x
  2. Step 2: Convert to fraction form
    7,098,525.93/9,784,489.59 = 5,547,091.62/x
  3. Step 3: Cross multiply
    7,098,525.93x = 9,784,489.59 × 5,547,091.62
  4. Step 4: Simplify right side
    7,098,525.93x = 54,275,460,210,666.23
  5. Step 5: Solve for x
    x = 54,275,460,210,666.23/7,098,525.93
  6. Step 6: Final answer
    x = 7,646,018.45

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Double scale
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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.