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Finding the Fourth Proportional to 4,886,066.64, 6,742,779.75 and 2,710,609.77

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Solution

The fourth proportional to 4,886,066.64, 6,742,779.75 and 2,710,609.77 is: 3,740,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,066.64 : 6,742,779.75 = 2,710,609.77 : x
  2. Step 2: Convert to fraction form
    4,886,066.64/6,742,779.75 = 2,710,609.77/x
  3. Step 3: Cross multiply
    4,886,066.64x = 6,742,779.75 × 2,710,609.77
  4. Step 4: Simplify right side
    4,886,066.64x = 18,277,044,667,308.16
  5. Step 5: Solve for x
    x = 18,277,044,667,308.16/4,886,066.64
  6. Step 6: Final answer
    x = 3,740,645.80

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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.